630454909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 776563200

約数和(自身を除く): 146108291

約数列:

[1, 7, 23, 41, 149, 161, 287, 641, 943, 1043, 3427, 4487, 6109, 6601, 14743, 23989, 26281, 42763, 95509, 103201, 140507, 183967, 604463, 668563, 983549, 2196707, 3915869, 4231241, 15376949, 27411083, 90064987, 630454909]

約数ペア:

[(1, 630454909), (7, 90064987), (23, 27411083), (41, 15376949), (149, 4231241), (161, 3915869), (287, 2196707), (641, 983549), (943, 668563), (1043, 604463), (3427, 183967), (4487, 140507), (6109, 103201), (6601, 95509), (14743, 42763), (23989, 26281)]