221993784

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 655490880

約数和(自身を除く): 433497096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 47, 54, 72, 74, 81, 94, 108, 111, 141, 148, 162, 188, 197, 216, 222, 282, 296, 324, 333, 376, 394, 423, 444, 564, 591, 648, 666, 788, 846, 888, 999, 1128, 1182, 1269, 1332, 1576, 1692, 1739, 1773, 1998, 2364, 2538, 2664, 2997, 3384, 3478, 3546, 3807, 3996, 4728, 5076, 5217, 5319, 5994, 6956, 7092, 7289, 7614, 7992, 9259, 10152, 10434, 10638, 11988, 13912, 14184, 14578, 15228, 15651, 15957, 18518, 20868, 21276, 21867, 23976, 27777, 29156, 30456, 31302, 31914, 37036, 41736, 42552, 43734, 46953, 55554, 58312, 62604, 63828, 65601, 74072, 83331, 87468, 93906, 111108, 125208, 127656, 131202, 140859, 166662, 174936, 187812, 196803, 222216, 249993, 262404, 281718, 333324, 342583, 375624, 393606, 499986, 524808, 563436, 590409, 666648, 685166, 749979, 787212, 999972, 1027749, 1126872, 1180818, 1370332, 1499958, 1574424, 1999944, 2055498, 2361636, 2740664, 2999916, 3083247, 4110996, 4723272, 5999832, 6166494, 8221992, 9249741, 12332988, 18499482, 24665976, 27749223, 36998964, 55498446, 73997928, 110996892, 221993784]

約数ペア:

[(1, 221993784), (2, 110996892), (3, 73997928), (4, 55498446), (6, 36998964), (8, 27749223), (9, 24665976), (12, 18499482), (18, 12332988), (24, 9249741), (27, 8221992), (36, 6166494), (37, 5999832), (47, 4723272), (54, 4110996), (72, 3083247), (74, 2999916), (81, 2740664), (94, 2361636), (108, 2055498), (111, 1999944), (141, 1574424), (148, 1499958), (162, 1370332), (188, 1180818), (197, 1126872), (216, 1027749), (222, 999972), (282, 787212), (296, 749979), (324, 685166), (333, 666648), (376, 590409), (394, 563436), (423, 524808), (444, 499986), (564, 393606), (591, 375624), (648, 342583), (666, 333324), (788, 281718), (846, 262404), (888, 249993), (999, 222216), (1128, 196803), (1182, 187812), (1269, 174936), (1332, 166662), (1576, 140859), (1692, 131202), (1739, 127656), (1773, 125208), (1998, 111108), (2364, 93906), (2538, 87468), (2664, 83331), (2997, 74072), (3384, 65601), (3478, 63828), (3546, 62604), (3807, 58312), (3996, 55554), (4728, 46953), (5076, 43734), (5217, 42552), (5319, 41736), (5994, 37036), (6956, 31914), (7092, 31302), (7289, 30456), (7614, 29156), (7992, 27777), (9259, 23976), (10152, 21867), (10434, 21276), (10638, 20868), (11988, 18518), (13912, 15957), (14184, 15651), (14578, 15228)]