291004988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{1471}}^1$

素因数の和:1650

約数の個数: 36

約数和(自身を含む): 541763712

約数和(自身を除く): 250758724

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 361, 548, 722, 1444, 1471, 2603, 2942, 5206, 5884, 10412, 27949, 49457, 55898, 98914, 111796, 197828, 201527, 403054, 531031, 806108, 1062062, 2124124, 3829013, 7658026, 15316052, 72751247, 145502494, 291004988]

約数ペア:

[(1, 291004988), (2, 145502494), (4, 72751247), (19, 15316052), (38, 7658026), (76, 3829013), (137, 2124124), (274, 1062062), (361, 806108), (548, 531031), (722, 403054), (1444, 201527), (1471, 197828), (2603, 111796), (2942, 98914), (5206, 55898), (5884, 49457), (10412, 27949)]