639821244

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{1087}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 1508089856

約数和(自身を除く): 868268612

約数列:

[1, 2, 3, 4, 6, 12, 181, 271, 362, 542, 543, 724, 813, 1084, 1086, 1087, 1626, 2172, 2174, 3252, 3261, 4348, 6522, 13044, 49051, 98102, 147153, 196204, 196747, 294306, 294577, 393494, 588612, 589154, 590241, 786988, 883731, 1178308, 1180482, 1767462, 2360964, 3534924, 53318437, 106636874, 159955311, 213273748, 319910622, 639821244]

約数ペア:

[(1, 639821244), (2, 319910622), (3, 213273748), (4, 159955311), (6, 106636874), (12, 53318437), (181, 3534924), (271, 2360964), (362, 1767462), (542, 1180482), (543, 1178308), (724, 883731), (813, 786988), (1084, 590241), (1086, 589154), (1087, 588612), (1626, 393494), (2172, 294577), (2174, 294306), (3252, 196747), (3261, 196204), (4348, 147153), (6522, 98102), (13044, 49051)]