128667175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 204986880

約数和(自身を除く): 76319705

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 161, 175, 299, 325, 455, 575, 805, 1495, 2093, 2275, 2459, 4025, 7475, 10465, 12295, 17213, 31967, 52325, 56557, 61475, 86065, 159835, 223769, 282785, 395899, 430325, 735241, 799175, 1118845, 1413925, 1979495, 3676205, 5146687, 5594225, 9897475, 18381025, 25733435, 128667175]

約数ペア:

[(1, 128667175), (5, 25733435), (7, 18381025), (13, 9897475), (23, 5594225), (25, 5146687), (35, 3676205), (65, 1979495), (91, 1413925), (115, 1118845), (161, 799175), (175, 735241), (299, 430325), (325, 395899), (455, 282785), (575, 223769), (805, 159835), (1495, 86065), (2093, 61475), (2275, 56557), (2459, 52325), (4025, 31967), (7475, 17213), (10465, 12295)]