219223576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2699}}^1$

素因数の和:2800

約数の個数: 64

約数和(自身を含む): 489888000

約数和(自身を除く): 270664424

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 1144, 1562, 1846, 2699, 3124, 3692, 5398, 6248, 7384, 10153, 10796, 20306, 21592, 29689, 35087, 40612, 59378, 70174, 81224, 118756, 140348, 191629, 237512, 280696, 383258, 385957, 766516, 771914, 1533032, 1543828, 2107919, 2491177, 3087656, 4215838, 4982354, 8431676, 9964708, 16863352, 19929416, 27402947, 54805894, 109611788, 219223576]

約数ペア:

[(1, 219223576), (2, 109611788), (4, 54805894), (8, 27402947), (11, 19929416), (13, 16863352), (22, 9964708), (26, 8431676), (44, 4982354), (52, 4215838), (71, 3087656), (88, 2491177), (104, 2107919), (142, 1543828), (143, 1533032), (284, 771914), (286, 766516), (568, 385957), (572, 383258), (781, 280696), (923, 237512), (1144, 191629), (1562, 140348), (1846, 118756), (2699, 81224), (3124, 70174), (3692, 59378), (5398, 40612), (6248, 35087), (7384, 29689), (10153, 21592), (10796, 20306)]