87668615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2357}}^1$

素因数の和:2578

約数の個数: 16

約数和(自身を含む): 108317088

約数和(自身を除く): 20648473

約数列:

[1, 5, 43, 173, 215, 865, 2357, 7439, 11785, 37195, 101351, 407761, 506755, 2038805, 17533723, 87668615]

約数ペア:

[(1, 87668615), (5, 17533723), (43, 2038805), (173, 506755), (215, 407761), (865, 101351), (2357, 37195), (7439, 11785)]