16638895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 25824960

約数和(自身を除く): 9186065

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 97, 145, 169, 203, 377, 455, 485, 679, 845, 1015, 1183, 1261, 1885, 2639, 2813, 3395, 4901, 5915, 6305, 8827, 13195, 14065, 16393, 19691, 24505, 34307, 36569, 44135, 81965, 98455, 114751, 171535, 182845, 255983, 475397, 573755, 1279915, 2376985, 3327779, 16638895]

約数ペア:

[(1, 16638895), (5, 3327779), (7, 2376985), (13, 1279915), (29, 573755), (35, 475397), (65, 255983), (91, 182845), (97, 171535), (145, 114751), (169, 98455), (203, 81965), (377, 44135), (455, 36569), (485, 34307), (679, 24505), (845, 19691), (1015, 16393), (1183, 14065), (1261, 13195), (1885, 8827), (2639, 6305), (2813, 5915), (3395, 4901)]