25571928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 40956072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 258, 284, 344, 349, 426, 516, 568, 698, 852, 1032, 1047, 1396, 1704, 2094, 2792, 3053, 4188, 6106, 8376, 9159, 12212, 15007, 18318, 24424, 24779, 30014, 36636, 45021, 49558, 60028, 73272, 74337, 90042, 99116, 120056, 148674, 180084, 198232, 297348, 360168, 594696, 1065497, 2130994, 3196491, 4261988, 6392982, 8523976, 12785964, 25571928]

約数ペア:

[(1, 25571928), (2, 12785964), (3, 8523976), (4, 6392982), (6, 4261988), (8, 3196491), (12, 2130994), (24, 1065497), (43, 594696), (71, 360168), (86, 297348), (129, 198232), (142, 180084), (172, 148674), (213, 120056), (258, 99116), (284, 90042), (344, 74337), (349, 73272), (426, 60028), (516, 49558), (568, 45021), (698, 36636), (852, 30014), (1032, 24779), (1047, 24424), (1396, 18318), (1704, 15007), (2094, 12212), (2792, 9159), (3053, 8376), (4188, 6106)]