7837986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 18724608

約数和(自身を除く): 10886622

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 257, 299, 391, 442, 514, 598, 663, 771, 782, 897, 1173, 1326, 1542, 1794, 2346, 3341, 4369, 5083, 5911, 6682, 8738, 10023, 10166, 11822, 13107, 15249, 17733, 20046, 26214, 30498, 35466, 56797, 76843, 100487, 113594, 153686, 170391, 200974, 230529, 301461, 340782, 461058, 602922, 1306331, 2612662, 3918993, 7837986]

約数ペア:

[(1, 7837986), (2, 3918993), (3, 2612662), (6, 1306331), (13, 602922), (17, 461058), (23, 340782), (26, 301461), (34, 230529), (39, 200974), (46, 170391), (51, 153686), (69, 113594), (78, 100487), (102, 76843), (138, 56797), (221, 35466), (257, 30498), (299, 26214), (391, 20046), (442, 17733), (514, 15249), (598, 13107), (663, 11822), (771, 10166), (782, 10023), (897, 8738), (1173, 6682), (1326, 5911), (1542, 5083), (1794, 4369), (2346, 3341)]