646282284868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{577}}^1\times {\mathrm{761}}^1\times {\mathrm{3041}}^1$

素因数の和:4405

約数の個数: 72

約数和(自身を含む): 1247359676472

約数和(自身を除く): 601077391604

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 577, 761, 1154, 1522, 2308, 3041, 3044, 6082, 6347, 8371, 12164, 12694, 16742, 25388, 33451, 33484, 66902, 69817, 92081, 133804, 139634, 184162, 279268, 367961, 368324, 439097, 735922, 878194, 1471844, 1754657, 1756388, 2314201, 3509314, 4628402, 4830067, 7018628, 9256804, 9660134, 19301227, 19320268, 25456211, 38602454, 50912422, 53130737, 77204908, 101824844, 106261474, 212313497, 212522948, 280018321, 424626994, 560036642, 849253988, 1120073284, 1335293977, 2670587954, 5341175908, 14688233747, 29376467494, 58752934988, 161570571217, 323141142434, 646282284868]

約数ペア:

[(1, 646282284868), (2, 323141142434), (4, 161570571217), (11, 58752934988), (22, 29376467494), (44, 14688233747), (121, 5341175908), (242, 2670587954), (484, 1335293977), (577, 1120073284), (761, 849253988), (1154, 560036642), (1522, 424626994), (2308, 280018321), (3041, 212522948), (3044, 212313497), (6082, 106261474), (6347, 101824844), (8371, 77204908), (12164, 53130737), (12694, 50912422), (16742, 38602454), (25388, 25456211), (33451, 19320268), (33484, 19301227), (66902, 9660134), (69817, 9256804), (92081, 7018628), (133804, 4830067), (139634, 4628402), (184162, 3509314), (279268, 2314201), (367961, 1756388), (368324, 1754657), (439097, 1471844), (735922, 878194)]