128546825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 180821760

約数和(自身を除く): 52274935

約数列:

[1, 5, 11, 25, 55, 61, 79, 97, 275, 305, 395, 485, 671, 869, 1067, 1525, 1975, 2425, 3355, 4345, 4819, 5335, 5917, 7663, 16775, 21725, 24095, 26675, 29585, 38315, 53009, 65087, 84293, 120475, 147925, 191575, 265045, 325435, 421465, 467443, 1325225, 1627175, 2107325, 2337215, 5141873, 11686075, 25709365, 128546825]

約数ペア:

[(1, 128546825), (5, 25709365), (11, 11686075), (25, 5141873), (55, 2337215), (61, 2107325), (79, 1627175), (97, 1325225), (275, 467443), (305, 421465), (395, 325435), (485, 265045), (671, 191575), (869, 147925), (1067, 120475), (1525, 84293), (1975, 65087), (2425, 53009), (3355, 38315), (4345, 29585), (4819, 26675), (5335, 24095), (5917, 21725), (7663, 16775)]