642638988

素因数分解:

$2^2\times 3^3\times {\mathrm{1523}}^1\times {\mathrm{3907}}^1$

素因数の和:5443

約数の個数: 48

約数和(自身を含む): 1667621760

約数和(自身を除く): 1024982772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1523, 3046, 3907, 4569, 6092, 7814, 9138, 11721, 13707, 15628, 18276, 23442, 27414, 35163, 41121, 46884, 54828, 70326, 82242, 105489, 140652, 164484, 210978, 421956, 5950361, 11900722, 17851083, 23801444, 35702166, 53553249, 71404332, 107106498, 160659747, 214212996, 321319494, 642638988]

約数ペア:

[(1, 642638988), (2, 321319494), (3, 214212996), (4, 160659747), (6, 107106498), (9, 71404332), (12, 53553249), (18, 35702166), (27, 23801444), (36, 17851083), (54, 11900722), (108, 5950361), (1523, 421956), (3046, 210978), (3907, 164484), (4569, 140652), (6092, 105489), (7814, 82242), (9138, 70326), (11721, 54828), (13707, 46884), (15628, 41121), (18276, 35163), (23442, 27414)]