68744416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 146546064

約数和(自身を除く): 77801648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 257, 416, 514, 643, 1028, 1286, 2056, 2572, 3341, 4112, 5144, 6682, 8224, 8359, 10288, 13364, 16718, 20576, 26728, 33436, 53456, 66872, 106912, 133744, 165251, 267488, 330502, 661004, 1322008, 2148263, 2644016, 4296526, 5288032, 8593052, 17186104, 34372208, 68744416]

約数ペア:

[(1, 68744416), (2, 34372208), (4, 17186104), (8, 8593052), (13, 5288032), (16, 4296526), (26, 2644016), (32, 2148263), (52, 1322008), (104, 661004), (208, 330502), (257, 267488), (416, 165251), (514, 133744), (643, 106912), (1028, 66872), (1286, 53456), (2056, 33436), (2572, 26728), (3341, 20576), (4112, 16718), (5144, 13364), (6682, 10288), (8224, 8359)]