131491910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 261769536

約数和(自身を除く): 130277626

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 271, 401, 542, 605, 802, 1210, 1355, 2005, 2710, 2981, 4010, 4411, 5962, 8822, 14905, 22055, 29810, 32791, 44110, 48521, 65582, 97042, 108671, 163955, 217342, 242605, 327910, 485210, 543355, 1086710, 1195381, 2390762, 5976905, 11953810, 13149191, 26298382, 65745955, 131491910]

約数ペア:

[(1, 131491910), (2, 65745955), (5, 26298382), (10, 13149191), (11, 11953810), (22, 5976905), (55, 2390762), (110, 1195381), (121, 1086710), (242, 543355), (271, 485210), (401, 327910), (542, 242605), (605, 217342), (802, 163955), (1210, 108671), (1355, 97042), (2005, 65582), (2710, 48521), (2981, 44110), (4010, 32791), (4411, 29810), (5962, 22055), (8822, 14905)]