25351828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 23636972

約数列:

[1, 2, 4, 17, 34, 59, 68, 71, 89, 118, 142, 178, 236, 284, 356, 1003, 1207, 1513, 2006, 2414, 3026, 4012, 4189, 4828, 5251, 6052, 6319, 8378, 10502, 12638, 16756, 21004, 25276, 71213, 89267, 107423, 142426, 178534, 214846, 284852, 357068, 372821, 429692, 745642, 1491284, 6337957, 12675914, 25351828]

約数ペア:

[(1, 25351828), (2, 12675914), (4, 6337957), (17, 1491284), (34, 745642), (59, 429692), (68, 372821), (71, 357068), (89, 284852), (118, 214846), (142, 178534), (178, 142426), (236, 107423), (284, 89267), (356, 71213), (1003, 25276), (1207, 21004), (1513, 16756), (2006, 12638), (2414, 10502), (3026, 8378), (4012, 6319), (4189, 6052), (4828, 5251)]