72720112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197609}}^1$

素因数の和:197640

約数の個数: 20

約数和(自身を含む): 147021840

約数和(自身を除く): 74301728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 197609, 395218, 790436, 1580872, 3161744, 4545007, 9090014, 18180028, 36360056, 72720112]

約数ペア:

[(1, 72720112), (2, 36360056), (4, 18180028), (8, 9090014), (16, 4545007), (23, 3161744), (46, 1580872), (92, 790436), (184, 395218), (368, 197609)]