487997072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{21739}}^1$

素因数の和:21831

約数の個数: 40

約数和(自身を含む): 1002822720

約数和(自身を除く): 514825648

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 11224, 21739, 22448, 43478, 86956, 173912, 347824, 499997, 999994, 1326079, 1999988, 2652158, 3999976, 5304316, 7999952, 10608632, 21217264, 30499817, 60999634, 121999268, 243998536, 487997072]

約数ペア:

[(1, 487997072), (2, 243998536), (4, 121999268), (8, 60999634), (16, 30499817), (23, 21217264), (46, 10608632), (61, 7999952), (92, 5304316), (122, 3999976), (184, 2652158), (244, 1999988), (368, 1326079), (488, 999994), (976, 499997), (1403, 347824), (2806, 173912), (5612, 86956), (11224, 43478), (21739, 22448)]