389699908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{751}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 779998464

約数和(自身を除く): 390298556

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 587, 751, 884, 1174, 1502, 2348, 3004, 7631, 9763, 9979, 12767, 15262, 19526, 19958, 25534, 30524, 39052, 39916, 51068, 129727, 165971, 259454, 331942, 440837, 518908, 663884, 881674, 1763348, 5730881, 7494229, 11461762, 14988458, 22923524, 29976916, 97424977, 194849954, 389699908]

約数ペア:

[(1, 389699908), (2, 194849954), (4, 97424977), (13, 29976916), (17, 22923524), (26, 14988458), (34, 11461762), (52, 7494229), (68, 5730881), (221, 1763348), (442, 881674), (587, 663884), (751, 518908), (884, 440837), (1174, 331942), (1502, 259454), (2348, 165971), (3004, 129727), (7631, 51068), (9763, 39916), (9979, 39052), (12767, 30524), (15262, 25534), (19526, 19958)]