221489090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{11953}}^1$

素因数の和:12086

約数の個数: 32

約数和(自身を含む): 426040560

約数和(自身を除く): 204551470

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 11953, 18530, 23906, 59765, 119530, 203201, 406402, 1016005, 1302877, 2032010, 2605754, 6514385, 13028770, 22148909, 44297818, 110744545, 221489090]

約数ペア:

[(1, 221489090), (2, 110744545), (5, 44297818), (10, 22148909), (17, 13028770), (34, 6514385), (85, 2605754), (109, 2032010), (170, 1302877), (218, 1016005), (545, 406402), (1090, 203201), (1853, 119530), (3706, 59765), (9265, 23906), (11953, 18530)]