81889390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3089}}^1$

素因数の和:3348

約数の個数: 32

約数和(自身を含む): 161520480

約数和(自身を除く): 79631090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 1205, 2410, 2651, 3089, 5302, 6178, 13255, 15445, 26510, 30890, 33979, 67958, 169895, 339790, 744449, 1488898, 3722245, 7444490, 8188939, 16377878, 40944695, 81889390]

約数ペア:

[(1, 81889390), (2, 40944695), (5, 16377878), (10, 8188939), (11, 7444490), (22, 3722245), (55, 1488898), (110, 744449), (241, 339790), (482, 169895), (1205, 67958), (2410, 33979), (2651, 30890), (3089, 26510), (5302, 15445), (6178, 13255)]