128429072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 256667352

約数和(自身を除く): 128238280

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 401, 541, 592, 802, 1082, 1604, 2164, 3208, 4328, 6416, 8656, 14837, 20017, 29674, 40034, 59348, 80068, 118696, 160136, 216941, 237392, 320272, 433882, 867764, 1735528, 3471056, 8026817, 16053634, 32107268, 64214536, 128429072]

約数ペア:

[(1, 128429072), (2, 64214536), (4, 32107268), (8, 16053634), (16, 8026817), (37, 3471056), (74, 1735528), (148, 867764), (296, 433882), (401, 320272), (541, 237392), (592, 216941), (802, 160136), (1082, 118696), (1604, 80068), (2164, 59348), (3208, 40034), (4328, 29674), (6416, 20017), (8656, 14837)]