2651390890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197423}}^1$

素因数の和:197526

約数の個数: 32

約数和(自身を含む): 5117230080

約数和(自身を除く): 2465839190

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 197423, 394846, 987115, 1974230, 3356191, 6712382, 15596417, 16780955, 31192834, 33561910, 77982085, 155964170, 265139089, 530278178, 1325695445, 2651390890]

約数ペア:

[(1, 2651390890), (2, 1325695445), (5, 530278178), (10, 265139089), (17, 155964170), (34, 77982085), (79, 33561910), (85, 31192834), (158, 16780955), (170, 15596417), (395, 6712382), (790, 3356191), (1343, 1974230), (2686, 987115), (6715, 394846), (13430, 197423)]