1640700685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 2270169216

約数和(自身を除く): 629468531

約数列:

[1, 5, 13, 17, 65, 85, 167, 221, 289, 523, 835, 1105, 1445, 2171, 2615, 2839, 3757, 6799, 8891, 10855, 14195, 18785, 33995, 36907, 44455, 48263, 87341, 115583, 151147, 184535, 241315, 436705, 577915, 627419, 755735, 1135433, 1484797, 1964911, 3137095, 5677165, 7423985, 9824555, 19302361, 25241549, 96511805, 126207745, 328140137, 1640700685]

約数ペア:

[(1, 1640700685), (5, 328140137), (13, 126207745), (17, 96511805), (65, 25241549), (85, 19302361), (167, 9824555), (221, 7423985), (289, 5677165), (523, 3137095), (835, 1964911), (1105, 1484797), (1445, 1135433), (2171, 755735), (2615, 627419), (2839, 577915), (3757, 436705), (6799, 241315), (8891, 184535), (10855, 151147), (14195, 115583), (18785, 87341), (33995, 48263), (36907, 44455)]