280757958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2551}}^1$

素因数の和:2669

約数の個数: 64

約数和(自身を含む): 648248832

約数和(自身を除く): 367490874

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 83, 102, 166, 221, 249, 442, 498, 663, 1079, 1326, 1411, 2158, 2551, 2822, 3237, 4233, 5102, 6474, 7653, 8466, 15306, 18343, 33163, 36686, 43367, 55029, 66326, 86734, 99489, 110058, 130101, 198978, 211733, 260202, 423466, 563771, 635199, 1127542, 1270398, 1691313, 2752529, 3382626, 3599461, 5505058, 7198922, 8257587, 10798383, 16515174, 21596766, 46792993, 93585986, 140378979, 280757958]

約数ペア:

[(1, 280757958), (2, 140378979), (3, 93585986), (6, 46792993), (13, 21596766), (17, 16515174), (26, 10798383), (34, 8257587), (39, 7198922), (51, 5505058), (78, 3599461), (83, 3382626), (102, 2752529), (166, 1691313), (221, 1270398), (249, 1127542), (442, 635199), (498, 563771), (663, 423466), (1079, 260202), (1326, 211733), (1411, 198978), (2158, 130101), (2551, 110058), (2822, 99489), (3237, 86734), (4233, 66326), (5102, 55029), (6474, 43367), (7653, 36686), (8466, 33163), (15306, 18343)]