636681370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{601}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 1283415840

約数和(自身を除く): 646734470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 281, 290, 377, 562, 601, 754, 1202, 1405, 1885, 2810, 3005, 3653, 3770, 6010, 7306, 7813, 8149, 15626, 16298, 17429, 18265, 34858, 36530, 39065, 40745, 78130, 81490, 87145, 105937, 168881, 174290, 211874, 226577, 337762, 453154, 529685, 844405, 1059370, 1132885, 1688810, 2195453, 2265770, 4390906, 4897549, 9795098, 10977265, 21954530, 24487745, 48975490, 63668137, 127336274, 318340685, 636681370]

約数ペア:

[(1, 636681370), (2, 318340685), (5, 127336274), (10, 63668137), (13, 48975490), (26, 24487745), (29, 21954530), (58, 10977265), (65, 9795098), (130, 4897549), (145, 4390906), (281, 2265770), (290, 2195453), (377, 1688810), (562, 1132885), (601, 1059370), (754, 844405), (1202, 529685), (1405, 453154), (1885, 337762), (2810, 226577), (3005, 211874), (3653, 174290), (3770, 168881), (6010, 105937), (7306, 87145), (7813, 81490), (8149, 78130), (15626, 40745), (16298, 39065), (17429, 36530), (18265, 34858)]