77621570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1489}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 150942960

約数和(自身を除く): 73321390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 1489, 2005, 2978, 4010, 5213, 7445, 10426, 14890, 19357, 26065, 38714, 52130, 96785, 193570, 597089, 1194178, 2985445, 5970890, 7762157, 15524314, 38810785, 77621570]

約数ペア:

[(1, 77621570), (2, 38810785), (5, 15524314), (10, 7762157), (13, 5970890), (26, 2985445), (65, 1194178), (130, 597089), (401, 193570), (802, 96785), (1489, 52130), (2005, 38714), (2978, 26065), (4010, 19357), (5213, 14890), (7445, 10426)]