1291167790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6991}}^1$

素因数の和:7105

約数の個数: 64

約数和(自身を含む): 2682243072

約数和(自身を除く): 1391075282

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 73, 110, 115, 146, 230, 253, 365, 506, 730, 803, 1265, 1606, 1679, 2530, 3358, 4015, 6991, 8030, 8395, 13982, 16790, 18469, 34955, 36938, 69910, 76901, 92345, 153802, 160793, 184690, 321586, 384505, 510343, 769010, 803965, 1020686, 1607930, 1768723, 2551715, 3537446, 5103430, 5613773, 8843615, 11227546, 11737889, 17687230, 23475778, 28068865, 56137730, 58689445, 117378890, 129116779, 258233558, 645583895, 1291167790]

約数ペア:

[(1, 1291167790), (2, 645583895), (5, 258233558), (10, 129116779), (11, 117378890), (22, 58689445), (23, 56137730), (46, 28068865), (55, 23475778), (73, 17687230), (110, 11737889), (115, 11227546), (146, 8843615), (230, 5613773), (253, 5103430), (365, 3537446), (506, 2551715), (730, 1768723), (803, 1607930), (1265, 1020686), (1606, 803965), (1679, 769010), (2530, 510343), (3358, 384505), (4015, 321586), (6991, 184690), (8030, 160793), (8395, 153802), (13982, 92345), (16790, 76901), (18469, 69910), (34955, 36938)]