2257385156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 4437518400

約数和(自身を除く): 2180133244

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 199, 227, 398, 403, 454, 796, 806, 908, 961, 1612, 1922, 2587, 2951, 3844, 5174, 5902, 6169, 7037, 10348, 11804, 12338, 12493, 14074, 24676, 24986, 28148, 45173, 49972, 80197, 90346, 91481, 160394, 180692, 182962, 191239, 218147, 320788, 365924, 382478, 436294, 587249, 764956, 872588, 1174498, 1400363, 2348996, 2486107, 2800726, 2835911, 4972214, 5601452, 5671822, 9944428, 11343644, 18204719, 36409438, 43411253, 72818876, 86822506, 173645012, 564346289, 1128692578, 2257385156]

約数ペア:

[(1, 2257385156), (2, 1128692578), (4, 564346289), (13, 173645012), (26, 86822506), (31, 72818876), (52, 43411253), (62, 36409438), (124, 18204719), (199, 11343644), (227, 9944428), (398, 5671822), (403, 5601452), (454, 4972214), (796, 2835911), (806, 2800726), (908, 2486107), (961, 2348996), (1612, 1400363), (1922, 1174498), (2587, 872588), (2951, 764956), (3844, 587249), (5174, 436294), (5902, 382478), (6169, 365924), (7037, 320788), (10348, 218147), (11804, 191239), (12338, 182962), (12493, 180692), (14074, 160394), (24676, 91481), (24986, 90346), (28148, 80197), (45173, 49972)]