28071430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 24763898

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 1091, 2182, 2573, 5146, 5455, 10910, 12865, 25730, 33821, 67642, 90553, 169105, 181106, 338210, 452765, 905530, 2807143, 5614286, 14035715, 28071430]

約数ペア:

[(1, 28071430), (2, 14035715), (5, 5614286), (10, 2807143), (31, 905530), (62, 452765), (83, 338210), (155, 181106), (166, 169105), (310, 90553), (415, 67642), (830, 33821), (1091, 25730), (2182, 12865), (2573, 10910), (5146, 5455)]