28988492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2221}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 54874512

約数和(自身を除く): 25886020

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 2221, 3263, 4442, 6526, 8884, 13052, 28873, 57746, 115492, 557471, 1114942, 2229884, 7247123, 14494246, 28988492]

約数ペア:

[(1, 28988492), (2, 14494246), (4, 7247123), (13, 2229884), (26, 1114942), (52, 557471), (251, 115492), (502, 57746), (1004, 28873), (2221, 13052), (3263, 8884), (4442, 6526)]