81651452

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{4027}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 147859824

約数和(自身を除く): 66208372

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 4027, 5069, 8054, 10138, 16108, 20276, 148999, 297998, 551699, 595996, 1103398, 2206796, 20412863, 40825726, 81651452]

約数ペア:

[(1, 81651452), (2, 40825726), (4, 20412863), (37, 2206796), (74, 1103398), (137, 595996), (148, 551699), (274, 297998), (548, 148999), (4027, 20276), (5069, 16108), (8054, 10138)]