68586875

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 99943008

約数和(自身を除く): 31356133

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 257, 305, 427, 625, 875, 1285, 1525, 1799, 2135, 4375, 6425, 7625, 8995, 10675, 15677, 32125, 38125, 44975, 53375, 78385, 109739, 160625, 224875, 266875, 391925, 548695, 1124375, 1959625, 2743475, 9798125, 13717375, 68586875]

約数ペア:

[(1, 68586875), (5, 13717375), (7, 9798125), (25, 2743475), (35, 1959625), (61, 1124375), (125, 548695), (175, 391925), (257, 266875), (305, 224875), (427, 160625), (625, 109739), (875, 78385), (1285, 53375), (1525, 44975), (1799, 38125), (2135, 32125), (4375, 15677), (6425, 10675), (7625, 8995)]