671398

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 1378944

約数和(自身を除く): 707546

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 49, 62, 91, 98, 119, 182, 217, 221, 238, 403, 434, 442, 527, 637, 806, 833, 1054, 1274, 1519, 1547, 1666, 2821, 3038, 3094, 3689, 5642, 6851, 7378, 10829, 13702, 19747, 21658, 25823, 39494, 47957, 51646, 95914, 335699, 671398]

約数ペア:

[(1, 671398), (2, 335699), (7, 95914), (13, 51646), (14, 47957), (17, 39494), (26, 25823), (31, 21658), (34, 19747), (49, 13702), (62, 10829), (91, 7378), (98, 6851), (119, 5642), (182, 3689), (217, 3094), (221, 3038), (238, 2821), (403, 1666), (434, 1547), (442, 1519), (527, 1274), (637, 1054), (806, 833)]