77628590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16139}}^1$

素因数の和:16196

約数の個数: 32

約数和(自身を含む): 154556640

約数和(自身を除く): 76928050

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 16139, 32278, 80695, 161390, 209807, 419614, 597143, 1049035, 1194286, 2098070, 2985715, 5971430, 7762859, 15525718, 38814295, 77628590]

約数ペア:

[(1, 77628590), (2, 38814295), (5, 15525718), (10, 7762859), (13, 5971430), (26, 2985715), (37, 2098070), (65, 1194286), (74, 1049035), (130, 597143), (185, 419614), (370, 209807), (481, 161390), (962, 80695), (2405, 32278), (4810, 16139)]