31278572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 32733460

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 697, 863, 884, 1066, 1394, 1726, 2132, 2788, 3452, 9061, 11219, 14671, 18122, 22438, 29342, 35383, 36244, 44876, 58684, 70766, 141532, 190723, 381446, 459979, 601511, 762892, 919958, 1203022, 1839916, 2406044, 7819643, 15639286, 31278572]

約数ペア:

[(1, 31278572), (2, 15639286), (4, 7819643), (13, 2406044), (17, 1839916), (26, 1203022), (34, 919958), (41, 762892), (52, 601511), (68, 459979), (82, 381446), (164, 190723), (221, 141532), (442, 70766), (533, 58684), (697, 44876), (863, 36244), (884, 35383), (1066, 29342), (1394, 22438), (1726, 18122), (2132, 14671), (2788, 11219), (3452, 9061)]