212217850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2003}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 427910112

約数和(自身を除く): 215692262

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 325, 326, 650, 815, 1630, 2003, 2119, 4006, 4075, 4238, 8150, 10015, 10595, 20030, 21190, 26039, 50075, 52078, 52975, 100150, 105950, 130195, 260390, 326489, 650975, 652978, 1301950, 1632445, 3264890, 4244357, 8162225, 8488714, 16324450, 21221785, 42443570, 106108925, 212217850]

約数ペア:

[(1, 212217850), (2, 106108925), (5, 42443570), (10, 21221785), (13, 16324450), (25, 8488714), (26, 8162225), (50, 4244357), (65, 3264890), (130, 1632445), (163, 1301950), (325, 652978), (326, 650975), (650, 326489), (815, 260390), (1630, 130195), (2003, 105950), (2119, 100150), (4006, 52975), (4075, 52078), (4238, 50075), (8150, 26039), (10015, 21190), (10595, 20030)]