128917964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7817}}^1$

素因数の和:7878

約数の個数: 48

約数和(自身を含む): 280197120

約数和(自身を除く): 151279156

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 7817, 8246, 15634, 16492, 31268, 54719, 109438, 148523, 218876, 242327, 297046, 484654, 594092, 969308, 1039661, 1696289, 2079322, 3392578, 4158644, 4604213, 6785156, 9208426, 18416852, 32229491, 64458982, 128917964]

約数ペア:

[(1, 128917964), (2, 64458982), (4, 32229491), (7, 18416852), (14, 9208426), (19, 6785156), (28, 4604213), (31, 4158644), (38, 3392578), (62, 2079322), (76, 1696289), (124, 1039661), (133, 969308), (217, 594092), (266, 484654), (434, 297046), (532, 242327), (589, 218876), (868, 148523), (1178, 109438), (2356, 54719), (4123, 31268), (7817, 16492), (8246, 15634)]