128840404

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{8537}}^1$

素因数の和:8573

約数の個数: 48

約数和(自身を含む): 286876800

約数和(自身を除く): 158036396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 3773, 7546, 8537, 15092, 17074, 34148, 59759, 93907, 119518, 187814, 239036, 375628, 418313, 657349, 836626, 1314698, 1673252, 2629396, 2928191, 4601443, 5856382, 9202886, 11712764, 18405772, 32210101, 64420202, 128840404]

約数ペア:

[(1, 128840404), (2, 64420202), (4, 32210101), (7, 18405772), (11, 11712764), (14, 9202886), (22, 5856382), (28, 4601443), (44, 2928191), (49, 2629396), (77, 1673252), (98, 1314698), (154, 836626), (196, 657349), (308, 418313), (343, 375628), (539, 239036), (686, 187814), (1078, 119518), (1372, 93907), (2156, 59759), (3773, 34148), (7546, 17074), (8537, 15092)]