81551484

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 108

約数和(自身を含む): 243125064

約数和(自身を除く): 161573580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 83, 84, 98, 126, 147, 166, 196, 249, 252, 294, 332, 441, 498, 557, 581, 588, 747, 882, 996, 1114, 1162, 1494, 1671, 1743, 1764, 2228, 2324, 2988, 3342, 3486, 3899, 4067, 5013, 5229, 6684, 6972, 7798, 8134, 10026, 10458, 11697, 12201, 15596, 16268, 20052, 20916, 23394, 24402, 27293, 35091, 36603, 46231, 46788, 48804, 54586, 70182, 73206, 81879, 92462, 109172, 138693, 140364, 146412, 163758, 184924, 245637, 277386, 323617, 327516, 416079, 491274, 554772, 647234, 832158, 970851, 982548, 1294468, 1664316, 1941702, 2265319, 2912553, 3883404, 4530638, 5825106, 6795957, 9061276, 11650212, 13591914, 20387871, 27183828, 40775742, 81551484]

約数ペア:

[(1, 81551484), (2, 40775742), (3, 27183828), (4, 20387871), (6, 13591914), (7, 11650212), (9, 9061276), (12, 6795957), (14, 5825106), (18, 4530638), (21, 3883404), (28, 2912553), (36, 2265319), (42, 1941702), (49, 1664316), (63, 1294468), (83, 982548), (84, 970851), (98, 832158), (126, 647234), (147, 554772), (166, 491274), (196, 416079), (249, 327516), (252, 323617), (294, 277386), (332, 245637), (441, 184924), (498, 163758), (557, 146412), (581, 140364), (588, 138693), (747, 109172), (882, 92462), (996, 81879), (1114, 73206), (1162, 70182), (1494, 54586), (1671, 48804), (1743, 46788), (1764, 46231), (2228, 36603), (2324, 35091), (2988, 27293), (3342, 24402), (3486, 23394), (3899, 20916), (4067, 20052), (5013, 16268), (5229, 15596), (6684, 12201), (6972, 11697), (7798, 10458), (8134, 10026)]