665584444

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 1398300288

約数和(自身を除く): 732715844

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 151, 172, 196, 301, 302, 523, 602, 604, 1046, 1057, 1204, 2092, 2107, 2114, 3661, 4214, 4228, 6493, 7322, 7399, 8428, 12986, 14644, 14798, 22489, 25627, 25972, 29596, 44978, 45451, 51254, 78973, 89956, 90902, 102508, 157423, 157946, 181804, 314846, 315892, 318157, 552811, 629692, 636314, 1101961, 1105622, 1272628, 2203922, 2211244, 3395839, 3869677, 4407844, 6791678, 7739354, 13583356, 15478708, 23770873, 47541746, 95083492, 166396111, 332792222, 665584444]

約数ペア:

[(1, 665584444), (2, 332792222), (4, 166396111), (7, 95083492), (14, 47541746), (28, 23770873), (43, 15478708), (49, 13583356), (86, 7739354), (98, 6791678), (151, 4407844), (172, 3869677), (196, 3395839), (301, 2211244), (302, 2203922), (523, 1272628), (602, 1105622), (604, 1101961), (1046, 636314), (1057, 629692), (1204, 552811), (2092, 318157), (2107, 315892), (2114, 314846), (3661, 181804), (4214, 157946), (4228, 157423), (6493, 102508), (7322, 90902), (7399, 89956), (8428, 78973), (12986, 51254), (14644, 45451), (14798, 44978), (22489, 29596), (25627, 25972)]