77639128

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6440

約数の個数: 48

約数和(自身を含む): 174830400

約数和(自身を除く): 97191272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 6389, 12152, 12778, 25556, 44723, 51112, 89446, 178892, 198059, 313061, 357784, 396118, 626122, 792236, 1252244, 1386413, 1584472, 2504488, 2772826, 5545652, 9704891, 11091304, 19409782, 38819564, 77639128]

約数ペア:

[(1, 77639128), (2, 38819564), (4, 19409782), (7, 11091304), (8, 9704891), (14, 5545652), (28, 2772826), (31, 2504488), (49, 1584472), (56, 1386413), (62, 1252244), (98, 792236), (124, 626122), (196, 396118), (217, 357784), (248, 313061), (392, 198059), (434, 178892), (868, 89446), (1519, 51112), (1736, 44723), (3038, 25556), (6076, 12778), (6389, 12152)]