1289785432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{174673}}^1$

素因数の和:174763

約数の個数: 32

約数和(自身を含む): 2641070880

約数和(自身を除く): 1351285448

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 174673, 349346, 698692, 1397384, 2270749, 4541498, 9082996, 12401783, 18165992, 24803566, 49607132, 99214264, 161223179, 322446358, 644892716, 1289785432]

約数ペア:

[(1, 1289785432), (2, 644892716), (4, 322446358), (8, 161223179), (13, 99214264), (26, 49607132), (52, 24803566), (71, 18165992), (104, 12401783), (142, 9082996), (284, 4541498), (568, 2270749), (923, 1397384), (1846, 698692), (3692, 349346), (7384, 174673)]