77818730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 156251592

約数和(自身を除く): 78432862

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 242, 365, 605, 730, 803, 881, 1210, 1606, 1762, 4015, 4405, 8030, 8810, 8833, 9691, 17666, 19382, 44165, 48455, 64313, 88330, 96910, 106601, 128626, 213202, 321565, 533005, 643130, 707443, 1066010, 1414886, 3537215, 7074430, 7781873, 15563746, 38909365, 77818730]

約数ペア:

[(1, 77818730), (2, 38909365), (5, 15563746), (10, 7781873), (11, 7074430), (22, 3537215), (55, 1414886), (73, 1066010), (110, 707443), (121, 643130), (146, 533005), (242, 321565), (365, 213202), (605, 128626), (730, 106601), (803, 96910), (881, 88330), (1210, 64313), (1606, 48455), (1762, 44165), (4015, 19382), (4405, 17666), (8030, 9691), (8810, 8833)]