28093286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 23617114

約数列:

[1, 2, 13, 19, 26, 29, 37, 38, 53, 58, 74, 106, 247, 377, 481, 494, 551, 689, 703, 754, 962, 1007, 1073, 1102, 1378, 1406, 1537, 1961, 2014, 2146, 3074, 3922, 7163, 9139, 13091, 13949, 14326, 18278, 19981, 20387, 25493, 26182, 27898, 29203, 37259, 39962, 40774, 50986, 56869, 58406, 74518, 113738, 265031, 379639, 484367, 530062, 739297, 759278, 968734, 1080511, 1478594, 2161022, 14046643, 28093286]

約数ペア:

[(1, 28093286), (2, 14046643), (13, 2161022), (19, 1478594), (26, 1080511), (29, 968734), (37, 759278), (38, 739297), (53, 530062), (58, 484367), (74, 379639), (106, 265031), (247, 113738), (377, 74518), (481, 58406), (494, 56869), (551, 50986), (689, 40774), (703, 39962), (754, 37259), (962, 29203), (1007, 27898), (1073, 26182), (1102, 25493), (1378, 20387), (1406, 19981), (1537, 18278), (1961, 14326), (2014, 13949), (2146, 13091), (3074, 9139), (3922, 7163)]