389521736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 804384000

約数和(自身を除く): 414862264

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 97, 116, 152, 194, 232, 388, 551, 776, 911, 1102, 1822, 1843, 2204, 2813, 3644, 3686, 4408, 5626, 7288, 7372, 11252, 14744, 17309, 22504, 26419, 34618, 52838, 53447, 69236, 88367, 105676, 106894, 138472, 176734, 211352, 213788, 353468, 427576, 501961, 706936, 1003922, 1678973, 2007844, 2562643, 3357946, 4015688, 5125286, 6715892, 10250572, 13431784, 20501144, 48690217, 97380434, 194760868, 389521736]

約数ペア:

[(1, 389521736), (2, 194760868), (4, 97380434), (8, 48690217), (19, 20501144), (29, 13431784), (38, 10250572), (58, 6715892), (76, 5125286), (97, 4015688), (116, 3357946), (152, 2562643), (194, 2007844), (232, 1678973), (388, 1003922), (551, 706936), (776, 501961), (911, 427576), (1102, 353468), (1822, 213788), (1843, 211352), (2204, 176734), (2813, 138472), (3644, 106894), (3686, 105676), (4408, 88367), (5626, 69236), (7288, 53447), (7372, 52838), (11252, 34618), (14744, 26419), (17309, 22504)]