81465670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{5179}}^1$

素因数の和:5221

約数の個数: 48

約数和(自身を含む): 173612880

約数和(自身を除く): 92147210

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 5179, 7865, 10358, 15730, 25895, 51790, 56969, 67327, 113938, 134654, 284845, 336635, 569690, 626659, 673270, 740597, 1253318, 1481194, 3133295, 3702985, 6266590, 7405970, 8146567, 16293134, 40732835, 81465670]

約数ペア:

[(1, 81465670), (2, 40732835), (5, 16293134), (10, 8146567), (11, 7405970), (13, 6266590), (22, 3702985), (26, 3133295), (55, 1481194), (65, 1253318), (110, 740597), (121, 673270), (130, 626659), (143, 569690), (242, 336635), (286, 284845), (605, 134654), (715, 113938), (1210, 67327), (1430, 56969), (1573, 51790), (3146, 25895), (5179, 15730), (7865, 10358)]