15491216

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 60

約数和(自身を含む): 34514532

約数和(自身を除く): 19023316

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 337, 338, 442, 674, 676, 884, 1348, 1352, 1768, 2696, 2704, 2873, 3536, 4381, 5392, 5729, 5746, 8762, 11458, 11492, 17524, 22916, 22984, 35048, 45832, 45968, 56953, 70096, 74477, 91664, 113906, 148954, 227812, 297908, 455624, 595816, 911248, 968201, 1191632, 1936402, 3872804, 7745608, 15491216]

約数ペア:

[(1, 15491216), (2, 7745608), (4, 3872804), (8, 1936402), (13, 1191632), (16, 968201), (17, 911248), (26, 595816), (34, 455624), (52, 297908), (68, 227812), (104, 148954), (136, 113906), (169, 91664), (208, 74477), (221, 70096), (272, 56953), (337, 45968), (338, 45832), (442, 35048), (674, 22984), (676, 22916), (884, 17524), (1348, 11492), (1352, 11458), (1768, 8762), (2696, 5746), (2704, 5729), (2873, 5392), (3536, 4381)]