128709644

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 269230080

約数和(自身を除く): 140520436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 1877, 2212, 2449, 3754, 4898, 7508, 9796, 13139, 17143, 26278, 34286, 52556, 58187, 68572, 116374, 148283, 232748, 296566, 407309, 593132, 814618, 1037981, 1629236, 2075962, 4151924, 4596773, 9193546, 18387092, 32177411, 64354822, 128709644]

約数ペア:

[(1, 128709644), (2, 64354822), (4, 32177411), (7, 18387092), (14, 9193546), (28, 4596773), (31, 4151924), (62, 2075962), (79, 1629236), (124, 1037981), (158, 814618), (217, 593132), (316, 407309), (434, 296566), (553, 232748), (868, 148283), (1106, 116374), (1877, 68572), (2212, 58187), (2449, 52556), (3754, 34286), (4898, 26278), (7508, 17143), (9796, 13139)]