291215196

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 779950080

約数和(自身を除く): 488734884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 103, 108, 141, 188, 206, 282, 309, 412, 423, 557, 564, 618, 846, 927, 1114, 1236, 1269, 1671, 1692, 1854, 2228, 2538, 2781, 3342, 3708, 4841, 5013, 5076, 5562, 6684, 9682, 10026, 11124, 14523, 15039, 19364, 20052, 26179, 29046, 30078, 43569, 52358, 57371, 58092, 60156, 78537, 87138, 104716, 114742, 130707, 157074, 172113, 174276, 229484, 235611, 261414, 314148, 344226, 471222, 516339, 522828, 688452, 706833, 942444, 1032678, 1413666, 1549017, 2065356, 2696437, 2827332, 3098034, 5392874, 6196068, 8089311, 10785748, 16178622, 24267933, 32357244, 48535866, 72803799, 97071732, 145607598, 291215196]

約数ペア:

[(1, 291215196), (2, 145607598), (3, 97071732), (4, 72803799), (6, 48535866), (9, 32357244), (12, 24267933), (18, 16178622), (27, 10785748), (36, 8089311), (47, 6196068), (54, 5392874), (94, 3098034), (103, 2827332), (108, 2696437), (141, 2065356), (188, 1549017), (206, 1413666), (282, 1032678), (309, 942444), (412, 706833), (423, 688452), (557, 522828), (564, 516339), (618, 471222), (846, 344226), (927, 314148), (1114, 261414), (1236, 235611), (1269, 229484), (1671, 174276), (1692, 172113), (1854, 157074), (2228, 130707), (2538, 114742), (2781, 104716), (3342, 87138), (3708, 78537), (4841, 60156), (5013, 58092), (5076, 57371), (5562, 52358), (6684, 43569), (9682, 30078), (10026, 29046), (11124, 26179), (14523, 20052), (15039, 19364)]