22028825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 35164416

約数和(自身を除く): 13135591

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 161, 175, 299, 325, 421, 455, 575, 805, 1495, 2093, 2105, 2275, 2947, 4025, 5473, 7475, 9683, 10465, 10525, 14735, 27365, 38311, 48415, 52325, 67781, 73675, 125879, 136825, 191555, 242075, 338905, 629395, 881153, 957775, 1694525, 3146975, 4405765, 22028825]

約数ペア:

[(1, 22028825), (5, 4405765), (7, 3146975), (13, 1694525), (23, 957775), (25, 881153), (35, 629395), (65, 338905), (91, 242075), (115, 191555), (161, 136825), (175, 125879), (299, 73675), (325, 67781), (421, 52325), (455, 48415), (575, 38311), (805, 27365), (1495, 14735), (2093, 10525), (2105, 10465), (2275, 9683), (2947, 7475), (4025, 5473)]