381664816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{39041}}^1$

素因数の和:39109

約数の個数: 40

約数和(自身を含む): 813322944

約数和(自身を除く): 431658128

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 39041, 78082, 156164, 312328, 507533, 624656, 1015066, 1834927, 2030132, 3669854, 4060264, 7339708, 8120528, 14679416, 23854051, 29358832, 47708102, 95416204, 190832408, 381664816]

約数ペア:

[(1, 381664816), (2, 190832408), (4, 95416204), (8, 47708102), (13, 29358832), (16, 23854051), (26, 14679416), (47, 8120528), (52, 7339708), (94, 4060264), (104, 3669854), (188, 2030132), (208, 1834927), (376, 1015066), (611, 624656), (752, 507533), (1222, 312328), (2444, 156164), (4888, 78082), (9776, 39041)]