28783660507

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^2\times {\mathrm{1543}}^1$

素因数の和:1776

約数の個数: 36

約数和(自身を含む): 34490511216

約数和(自身を除く): 5706850709

約数列:

[1, 7, 49, 61, 79, 427, 553, 1543, 2989, 3871, 4819, 6241, 10801, 33733, 43687, 75607, 94123, 121897, 236131, 305809, 380701, 658861, 853279, 2664907, 4612027, 5972953, 7435717, 9629863, 18654349, 52050019, 67409041, 364350133, 471863287, 587421643, 4111951501, 28783660507]

約数ペア:

[(1, 28783660507), (7, 4111951501), (49, 587421643), (61, 471863287), (79, 364350133), (427, 67409041), (553, 52050019), (1543, 18654349), (2989, 9629863), (3871, 7435717), (4819, 5972953), (6241, 4612027), (10801, 2664907), (33733, 853279), (43687, 658861), (75607, 380701), (94123, 305809), (121897, 236131)]