64638684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 191842560

約数和(自身を除く): 127203876

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 71, 76, 99, 114, 121, 132, 142, 171, 198, 209, 213, 228, 242, 284, 342, 363, 396, 418, 426, 484, 627, 639, 684, 726, 781, 836, 852, 1089, 1254, 1278, 1331, 1349, 1452, 1562, 1881, 2178, 2299, 2343, 2508, 2556, 2662, 2698, 3124, 3762, 3993, 4047, 4356, 4598, 4686, 5324, 5396, 6897, 7029, 7524, 7986, 8094, 8591, 9196, 9372, 11979, 12141, 13794, 14058, 14839, 15972, 16188, 17182, 20691, 23958, 24282, 25289, 25773, 27588, 28116, 29678, 34364, 41382, 44517, 47916, 48564, 50578, 51546, 59356, 75867, 77319, 82764, 89034, 94501, 101156, 103092, 133551, 151734, 154638, 163229, 178068, 189002, 227601, 267102, 283503, 303468, 309276, 326458, 378004, 455202, 489687, 534204, 567006, 652916, 850509, 910404, 979374, 1134012, 1469061, 1701018, 1795519, 1958748, 2938122, 3402036, 3591038, 5386557, 5876244, 7182076, 10773114, 16159671, 21546228, 32319342, 64638684]

約数ペア:

[(1, 64638684), (2, 32319342), (3, 21546228), (4, 16159671), (6, 10773114), (9, 7182076), (11, 5876244), (12, 5386557), (18, 3591038), (19, 3402036), (22, 2938122), (33, 1958748), (36, 1795519), (38, 1701018), (44, 1469061), (57, 1134012), (66, 979374), (71, 910404), (76, 850509), (99, 652916), (114, 567006), (121, 534204), (132, 489687), (142, 455202), (171, 378004), (198, 326458), (209, 309276), (213, 303468), (228, 283503), (242, 267102), (284, 227601), (342, 189002), (363, 178068), (396, 163229), (418, 154638), (426, 151734), (484, 133551), (627, 103092), (639, 101156), (684, 94501), (726, 89034), (781, 82764), (836, 77319), (852, 75867), (1089, 59356), (1254, 51546), (1278, 50578), (1331, 48564), (1349, 47916), (1452, 44517), (1562, 41382), (1881, 34364), (2178, 29678), (2299, 28116), (2343, 27588), (2508, 25773), (2556, 25289), (2662, 24282), (2698, 23958), (3124, 20691), (3762, 17182), (3993, 16188), (4047, 15972), (4356, 14839), (4598, 14058), (4686, 13794), (5324, 12141), (5396, 11979), (6897, 9372), (7029, 9196), (7524, 8591), (7986, 8094)]