388640378

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{1871}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 686320128

約数和(自身を除く): 297679750

約数列:

[1, 2, 7, 14, 37, 74, 259, 401, 518, 802, 1871, 2807, 3742, 5614, 13097, 14837, 26194, 29674, 69227, 103859, 138454, 207718, 484589, 750271, 969178, 1500542, 5251897, 10503794, 27760027, 55520054, 194320189, 388640378]

約数ペア:

[(1, 388640378), (2, 194320189), (7, 55520054), (14, 27760027), (37, 10503794), (74, 5251897), (259, 1500542), (401, 969178), (518, 750271), (802, 484589), (1871, 207718), (2807, 138454), (3742, 103859), (5614, 69227), (13097, 29674), (14837, 26194)]