81104555

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 121642560

約数和(自身を除く): 40538005

約数列:

[1, 5, 7, 23, 35, 37, 49, 115, 161, 185, 245, 259, 389, 805, 851, 1127, 1295, 1813, 1945, 2723, 4255, 5635, 5957, 8947, 9065, 13615, 14393, 19061, 29785, 41699, 44735, 62629, 71965, 95305, 100751, 208495, 313145, 331039, 438403, 503755, 705257, 1655195, 2192015, 2317273, 3526285, 11586365, 16220911, 81104555]

約数ペア:

[(1, 81104555), (5, 16220911), (7, 11586365), (23, 3526285), (35, 2317273), (37, 2192015), (49, 1655195), (115, 705257), (161, 503755), (185, 438403), (245, 331039), (259, 313145), (389, 208495), (805, 100751), (851, 95305), (1127, 71965), (1295, 62629), (1813, 44735), (1945, 41699), (2723, 29785), (4255, 19061), (5635, 14393), (5957, 13615), (8947, 9065)]