388474672

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{857}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 773044272

約数和(自身を除く): 384569600

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 691, 857, 1382, 1714, 2764, 3428, 5528, 6856, 11056, 13712, 28331, 35137, 56662, 70274, 113324, 140548, 226648, 281096, 453296, 562192, 592187, 1184374, 2368748, 4737496, 9474992, 24279667, 48559334, 97118668, 194237336, 388474672]

約数ペア:

[(1, 388474672), (2, 194237336), (4, 97118668), (8, 48559334), (16, 24279667), (41, 9474992), (82, 4737496), (164, 2368748), (328, 1184374), (656, 592187), (691, 562192), (857, 453296), (1382, 281096), (1714, 226648), (2764, 140548), (3428, 113324), (5528, 70274), (6856, 56662), (11056, 35137), (13712, 28331)]