207749178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 577597440

約数和(自身を除く): 369848262

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 67, 78, 91, 117, 126, 134, 182, 189, 201, 234, 273, 351, 378, 402, 469, 546, 603, 631, 702, 819, 871, 938, 1206, 1262, 1407, 1638, 1742, 1809, 1893, 2457, 2613, 2814, 3618, 3786, 4221, 4417, 4914, 5226, 5679, 6097, 7839, 8203, 8442, 8834, 11358, 12194, 12663, 13251, 15678, 16406, 17037, 18291, 23517, 24609, 25326, 26502, 34074, 36582, 39753, 42277, 47034, 49218, 54873, 57421, 73827, 79506, 84554, 109746, 114842, 119259, 126831, 147654, 164619, 172263, 221481, 238518, 253662, 295939, 329238, 344526, 380493, 442962, 516789, 549601, 591878, 760986, 887817, 1033578, 1099202, 1141479, 1550367, 1648803, 1775634, 2282958, 2663451, 3100734, 3297606, 3847207, 4946409, 5326902, 7694414, 7990353, 9892818, 11541621, 14839227, 15980706, 23083242, 29678454, 34624863, 69249726, 103874589, 207749178]

約数ペア:

[(1, 207749178), (2, 103874589), (3, 69249726), (6, 34624863), (7, 29678454), (9, 23083242), (13, 15980706), (14, 14839227), (18, 11541621), (21, 9892818), (26, 7990353), (27, 7694414), (39, 5326902), (42, 4946409), (54, 3847207), (63, 3297606), (67, 3100734), (78, 2663451), (91, 2282958), (117, 1775634), (126, 1648803), (134, 1550367), (182, 1141479), (189, 1099202), (201, 1033578), (234, 887817), (273, 760986), (351, 591878), (378, 549601), (402, 516789), (469, 442962), (546, 380493), (603, 344526), (631, 329238), (702, 295939), (819, 253662), (871, 238518), (938, 221481), (1206, 172263), (1262, 164619), (1407, 147654), (1638, 126831), (1742, 119259), (1809, 114842), (1893, 109746), (2457, 84554), (2613, 79506), (2814, 73827), (3618, 57421), (3786, 54873), (4221, 49218), (4417, 47034), (4914, 42277), (5226, 39753), (5679, 36582), (6097, 34074), (7839, 26502), (8203, 25326), (8442, 24609), (8834, 23517), (11358, 18291), (12194, 17037), (12663, 16406), (13251, 15678)]