201993231895

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{63611}}^1$

素因数の和:64640

約数の個数: 48

約数和(自身を含む): 303965107488

約数和(自身を除く): 101971875593

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 997, 3185, 4985, 6979, 12961, 34895, 48853, 63611, 64805, 90727, 244265, 318055, 445277, 453635, 635089, 826943, 2226385, 3116939, 3175445, 4134715, 5788601, 15584695, 28943005, 40520207, 63420167, 202601035, 317100835, 443941169, 824462171, 2219705845, 3107588183, 4122310855, 5771235197, 15537940915, 28856175985, 40398646379, 201993231895]

約数ペア:

[(1, 201993231895), (5, 40398646379), (7, 28856175985), (13, 15537940915), (35, 5771235197), (49, 4122310855), (65, 3107588183), (91, 2219705845), (245, 824462171), (455, 443941169), (637, 317100835), (997, 202601035), (3185, 63420167), (4985, 40520207), (6979, 28943005), (12961, 15584695), (34895, 5788601), (48853, 4134715), (63611, 3175445), (64805, 3116939), (90727, 2226385), (244265, 826943), (318055, 635089), (445277, 453635)]