328137838

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{677}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 571147200

約数和(自身を除く): 243009362

約数列:

[1, 2, 7, 14, 89, 178, 389, 623, 677, 778, 1246, 1354, 2723, 4739, 5446, 9478, 34621, 60253, 69242, 120506, 242347, 263353, 421771, 484694, 526706, 843542, 1843471, 3686942, 23438417, 46876834, 164068919, 328137838]

約数ペア:

[(1, 328137838), (2, 164068919), (7, 46876834), (14, 23438417), (89, 3686942), (178, 1843471), (389, 843542), (623, 526706), (677, 484694), (778, 421771), (1246, 263353), (1354, 242347), (2723, 120506), (4739, 69242), (5446, 60253), (9478, 34621)]