128379712

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{7457}}^1$

素因数の和:7738

約数の個数: 28

約数和(自身を含む): 255734820

約数和(自身を除く): 127355108

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 2152, 4304, 7457, 8608, 14914, 17216, 29828, 59656, 119312, 238624, 477248, 2005933, 4011866, 8023732, 16047464, 32094928, 64189856, 128379712]

約数ペア:

[(1, 128379712), (2, 64189856), (4, 32094928), (8, 16047464), (16, 8023732), (32, 4011866), (64, 2005933), (269, 477248), (538, 238624), (1076, 119312), (2152, 59656), (4304, 29828), (7457, 17216), (8608, 14914)]