28480445

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 12162115

約数列:

[1, 5, 7, 35, 41, 89, 205, 223, 287, 445, 623, 1115, 1435, 1561, 3115, 3649, 7805, 9143, 18245, 19847, 25543, 45715, 64001, 99235, 127715, 138929, 320005, 694645, 813727, 4068635, 5696089, 28480445]

約数ペア:

[(1, 28480445), (5, 5696089), (7, 4068635), (35, 813727), (41, 694645), (89, 320005), (205, 138929), (223, 127715), (287, 99235), (445, 64001), (623, 45715), (1115, 25543), (1435, 19847), (1561, 18245), (3115, 9143), (3649, 7805)]