251019649908

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4241}}^1\times {\mathrm{26953}}^1$

素因数の和:31265

約数の個数: 72

約数和(自身を含む): 645099893256

約数和(自身を除く): 394080243348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 4241, 8482, 12723, 16964, 25446, 26953, 38169, 50892, 53906, 76338, 80859, 107812, 152676, 161718, 242577, 258701, 323436, 485154, 517402, 776103, 970308, 1034804, 1552206, 1644133, 2328309, 3104412, 3288266, 4656618, 4932399, 6576532, 9313236, 9864798, 14797197, 19729596, 29594394, 59188788, 114307673, 228615346, 342923019, 457230692, 685846038, 1028769057, 1371692076, 2057538114, 4115076228, 6972768053, 13945536106, 20918304159, 27891072212, 41836608318, 62754912477, 83673216636, 125509824954, 251019649908]

約数ペア:

[(1, 251019649908), (2, 125509824954), (3, 83673216636), (4, 62754912477), (6, 41836608318), (9, 27891072212), (12, 20918304159), (18, 13945536106), (36, 6972768053), (61, 4115076228), (122, 2057538114), (183, 1371692076), (244, 1028769057), (366, 685846038), (549, 457230692), (732, 342923019), (1098, 228615346), (2196, 114307673), (4241, 59188788), (8482, 29594394), (12723, 19729596), (16964, 14797197), (25446, 9864798), (26953, 9313236), (38169, 6576532), (50892, 4932399), (53906, 4656618), (76338, 3288266), (80859, 3104412), (107812, 2328309), (152676, 1644133), (161718, 1552206), (242577, 1034804), (258701, 970308), (323436, 776103), (485154, 517402)]