826637170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{20507}}^1$

素因数の和:20682

約数の個数: 32

約数和(自身を含む): 1550404800

約数和(自身を除く): 723767630

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 20155, 20507, 40310, 41014, 102535, 205070, 594703, 1189406, 2850473, 2973515, 5700946, 5947030, 14252365, 28504730, 82663717, 165327434, 413318585, 826637170]

約数ペア:

[(1, 826637170), (2, 413318585), (5, 165327434), (10, 82663717), (29, 28504730), (58, 14252365), (139, 5947030), (145, 5700946), (278, 2973515), (290, 2850473), (695, 1189406), (1390, 594703), (4031, 205070), (8062, 102535), (20155, 41014), (20507, 40310)]