345156728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{198823}}^1$

素因数の和:198867

約数の個数: 32

約数和(自身を含む): 763484160

約数和(自身を除く): 418327432

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 198823, 397646, 795292, 1391761, 1590584, 2783522, 5567044, 6163513, 11134088, 12327026, 24654052, 43144591, 49308104, 86289182, 172578364, 345156728]

約数ペア:

[(1, 345156728), (2, 172578364), (4, 86289182), (7, 49308104), (8, 43144591), (14, 24654052), (28, 12327026), (31, 11134088), (56, 6163513), (62, 5567044), (124, 2783522), (217, 1590584), (248, 1391761), (434, 795292), (868, 397646), (1736, 198823)]