644949647

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 722304000

約数和(自身を除く): 77354353

約数列:

[1, 23, 29, 43, 113, 199, 667, 989, 1247, 2599, 3277, 4577, 4859, 5771, 8557, 22487, 28681, 75371, 111757, 132733, 140911, 196811, 248153, 517201, 652123, 966941, 3240953, 5707519, 14998829, 22239643, 28041289, 644949647]

約数ペア:

[(1, 644949647), (23, 28041289), (29, 22239643), (43, 14998829), (113, 5707519), (199, 3240953), (667, 966941), (989, 652123), (1247, 517201), (2599, 248153), (3277, 196811), (4577, 140911), (4859, 132733), (5771, 111757), (8557, 75371), (22487, 28681)]