254707284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1699}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 661735200

約数和(自身を除く): 407027916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 961, 1209, 1612, 1699, 1922, 2418, 2883, 3398, 3844, 4836, 5097, 5766, 6796, 10194, 11532, 12493, 20388, 22087, 24986, 37479, 44174, 49972, 52669, 66261, 74958, 88348, 105338, 132522, 149916, 158007, 210676, 265044, 316014, 632028, 684697, 1369394, 1632739, 2054091, 2738788, 3265478, 4108182, 4898217, 6530956, 8216364, 9796434, 19592868, 21225607, 42451214, 63676821, 84902428, 127353642, 254707284]

約数ペア:

[(1, 254707284), (2, 127353642), (3, 84902428), (4, 63676821), (6, 42451214), (12, 21225607), (13, 19592868), (26, 9796434), (31, 8216364), (39, 6530956), (52, 4898217), (62, 4108182), (78, 3265478), (93, 2738788), (124, 2054091), (156, 1632739), (186, 1369394), (372, 684697), (403, 632028), (806, 316014), (961, 265044), (1209, 210676), (1612, 158007), (1699, 149916), (1922, 132522), (2418, 105338), (2883, 88348), (3398, 74958), (3844, 66261), (4836, 52669), (5097, 49972), (5766, 44174), (6796, 37479), (10194, 24986), (11532, 22087), (12493, 20388)]