878057648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{13487}}^1$

素因数の和:13821

約数の個数: 40

約数和(自身を含む): 1838090688

約数和(自身を除く): 960033040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 313, 626, 1252, 2504, 4069, 5008, 8138, 13487, 16276, 26974, 32552, 53948, 65104, 107896, 175331, 215792, 350662, 701324, 1402648, 2805296, 4221431, 8442862, 16885724, 33771448, 54878603, 67542896, 109757206, 219514412, 439028824, 878057648]

約数ペア:

[(1, 878057648), (2, 439028824), (4, 219514412), (8, 109757206), (13, 67542896), (16, 54878603), (26, 33771448), (52, 16885724), (104, 8442862), (208, 4221431), (313, 2805296), (626, 1402648), (1252, 701324), (2504, 350662), (4069, 215792), (5008, 175331), (8138, 107896), (13487, 65104), (16276, 53948), (26974, 32552)]