251517864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3373}}^1$

素因数の和:3634

約数の個数: 64

約数和(自身を含む): 680198400

約数和(自身を除く): 428680536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 478, 717, 956, 1434, 1912, 2868, 3107, 3373, 5736, 6214, 6746, 9321, 10119, 12428, 13492, 18642, 20238, 24856, 26984, 37284, 40476, 43849, 74568, 80952, 87698, 131547, 175396, 263094, 350792, 526188, 806147, 1052376, 1612294, 2418441, 3224588, 4836882, 6449176, 9673764, 10479911, 19347528, 20959822, 31439733, 41919644, 62879466, 83839288, 125758932, 251517864]

約数ペア:

[(1, 251517864), (2, 125758932), (3, 83839288), (4, 62879466), (6, 41919644), (8, 31439733), (12, 20959822), (13, 19347528), (24, 10479911), (26, 9673764), (39, 6449176), (52, 4836882), (78, 3224588), (104, 2418441), (156, 1612294), (239, 1052376), (312, 806147), (478, 526188), (717, 350792), (956, 263094), (1434, 175396), (1912, 131547), (2868, 87698), (3107, 80952), (3373, 74568), (5736, 43849), (6214, 40476), (6746, 37284), (9321, 26984), (10119, 24856), (12428, 20238), (13492, 18642)]