40640814

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 91638144

約数和(自身を除く): 50997330

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 173, 186, 279, 346, 421, 519, 558, 842, 1038, 1263, 1557, 2526, 3114, 3789, 5363, 7578, 10726, 13051, 16089, 26102, 32178, 39153, 48267, 72833, 78306, 96534, 117459, 145666, 218499, 234918, 436998, 655497, 1310994, 2257823, 4515646, 6773469, 13546938, 20320407, 40640814]

約数ペア:

[(1, 40640814), (2, 20320407), (3, 13546938), (6, 6773469), (9, 4515646), (18, 2257823), (31, 1310994), (62, 655497), (93, 436998), (173, 234918), (186, 218499), (279, 145666), (346, 117459), (421, 96534), (519, 78306), (558, 72833), (842, 48267), (1038, 39153), (1263, 32178), (1557, 26102), (2526, 16089), (3114, 13051), (3789, 10726), (5363, 7578)]