1212778810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{31991}}^1$

素因数の和:32238

約数の個数: 32

約数和(自身を含む): 2321851392

約数和(自身を除く): 1109072582

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 1115, 2230, 3791, 7582, 18955, 31991, 37910, 63982, 159955, 319910, 543847, 1087694, 2719235, 5438470, 7133993, 14267986, 35669965, 71339930, 121277881, 242555762, 606389405, 1212778810]

約数ペア:

[(1, 1212778810), (2, 606389405), (5, 242555762), (10, 121277881), (17, 71339930), (34, 35669965), (85, 14267986), (170, 7133993), (223, 5438470), (446, 2719235), (1115, 1087694), (2230, 543847), (3791, 319910), (7582, 159955), (18955, 63982), (31991, 37910)]