248928405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 460615680

約数和(自身を除く): 211687275

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 271, 285, 293, 627, 813, 879, 1045, 1355, 1465, 2981, 3135, 3223, 4065, 4395, 5149, 5567, 8943, 9669, 14905, 15447, 16115, 16701, 25745, 27835, 44715, 48345, 56639, 61237, 77235, 79403, 83505, 169917, 183711, 238209, 283195, 306185, 397015, 849585, 873433, 918555, 1191045, 1508657, 2620299, 4367165, 4525971, 7543285, 13101495, 16595227, 22629855, 49785681, 82976135, 248928405]

約数ペア:

[(1, 248928405), (3, 82976135), (5, 49785681), (11, 22629855), (15, 16595227), (19, 13101495), (33, 7543285), (55, 4525971), (57, 4367165), (95, 2620299), (165, 1508657), (209, 1191045), (271, 918555), (285, 873433), (293, 849585), (627, 397015), (813, 306185), (879, 283195), (1045, 238209), (1355, 183711), (1465, 169917), (2981, 83505), (3135, 79403), (3223, 77235), (4065, 61237), (4395, 56639), (5149, 48345), (5567, 44715), (8943, 27835), (9669, 25745), (14905, 16701), (15447, 16115)]