721232928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{192637}}^1$

素因数の和:192666

約数の個数: 72

約数和(自身を含む): 2208787308

約数和(自身を除く): 1487554380

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 192637, 385274, 577911, 770548, 1155822, 1541096, 1733733, 2311644, 2504281, 3082192, 3467466, 4623288, 5008562, 6164384, 6934932, 7512843, 9246576, 10017124, 13869864, 15025686, 18493152, 20034248, 22538529, 27739728, 30051372, 40068496, 45077058, 55479456, 60102744, 80136992, 90154116, 120205488, 180308232, 240410976, 360616464, 721232928]

約数ペア:

[(1, 721232928), (2, 360616464), (3, 240410976), (4, 180308232), (6, 120205488), (8, 90154116), (9, 80136992), (12, 60102744), (13, 55479456), (16, 45077058), (18, 40068496), (24, 30051372), (26, 27739728), (32, 22538529), (36, 20034248), (39, 18493152), (48, 15025686), (52, 13869864), (72, 10017124), (78, 9246576), (96, 7512843), (104, 6934932), (117, 6164384), (144, 5008562), (156, 4623288), (208, 3467466), (234, 3082192), (288, 2504281), (312, 2311644), (416, 1733733), (468, 1541096), (624, 1155822), (936, 770548), (1248, 577911), (1872, 385274), (3744, 192637)]