999957868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 2202927104

約数和(自身を除く): 1202969236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 127, 182, 194, 223, 254, 364, 388, 446, 508, 679, 889, 892, 1261, 1358, 1561, 1651, 1778, 2522, 2716, 2899, 3122, 3302, 3556, 5044, 5798, 6244, 6604, 8827, 11557, 11596, 12319, 17654, 20293, 21631, 23114, 24638, 28321, 35308, 40586, 43262, 46228, 49276, 56642, 81172, 86233, 86524, 113284, 151417, 160147, 172466, 198247, 281203, 302834, 320294, 344932, 368173, 396494, 562406, 605668, 640588, 736346, 792988, 1121029, 1124812, 1472692, 1968421, 2242058, 2577211, 2747137, 3936842, 4484116, 5154422, 5494274, 7873684, 10308844, 10988548, 19229959, 35712781, 38459918, 71425562, 76919836, 142851124, 249989467, 499978934, 999957868]

約数ペア:

[(1, 999957868), (2, 499978934), (4, 249989467), (7, 142851124), (13, 76919836), (14, 71425562), (26, 38459918), (28, 35712781), (52, 19229959), (91, 10988548), (97, 10308844), (127, 7873684), (182, 5494274), (194, 5154422), (223, 4484116), (254, 3936842), (364, 2747137), (388, 2577211), (446, 2242058), (508, 1968421), (679, 1472692), (889, 1124812), (892, 1121029), (1261, 792988), (1358, 736346), (1561, 640588), (1651, 605668), (1778, 562406), (2522, 396494), (2716, 368173), (2899, 344932), (3122, 320294), (3302, 302834), (3556, 281203), (5044, 198247), (5798, 172466), (6244, 160147), (6604, 151417), (8827, 113284), (11557, 86524), (11596, 86233), (12319, 81172), (17654, 56642), (20293, 49276), (21631, 46228), (23114, 43262), (24638, 40586), (28321, 35308)]