678462876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2837}}^1$

素因数の和:2940

約数の個数: 144

約数和(自身を含む): 2140442304

約数和(自身を除く): 1461979428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 73, 78, 84, 91, 117, 126, 146, 156, 182, 219, 234, 252, 273, 292, 364, 438, 468, 511, 546, 657, 819, 876, 949, 1022, 1092, 1314, 1533, 1638, 1898, 2044, 2628, 2837, 2847, 3066, 3276, 3796, 4599, 5674, 5694, 6132, 6643, 8511, 8541, 9198, 11348, 11388, 13286, 17022, 17082, 18396, 19859, 19929, 25533, 26572, 34044, 34164, 36881, 39718, 39858, 51066, 59577, 59787, 73762, 79436, 79716, 102132, 110643, 119154, 119574, 147524, 178731, 207101, 221286, 238308, 239148, 258167, 331929, 357462, 414202, 442572, 516334, 621303, 663858, 714924, 774501, 828404, 1032668, 1242606, 1327716, 1449707, 1549002, 1863909, 2323503, 2485212, 2692313, 2899414, 3098004, 3727818, 4349121, 4647006, 5384626, 5798828, 7455636, 8076939, 8698242, 9294012, 10769252, 13047363, 16153878, 17396484, 18846191, 24230817, 26094726, 32307756, 37692382, 48461634, 52189452, 56538573, 75384764, 96923268, 113077146, 169615719, 226154292, 339231438, 678462876]

約数ペア:

[(1, 678462876), (2, 339231438), (3, 226154292), (4, 169615719), (6, 113077146), (7, 96923268), (9, 75384764), (12, 56538573), (13, 52189452), (14, 48461634), (18, 37692382), (21, 32307756), (26, 26094726), (28, 24230817), (36, 18846191), (39, 17396484), (42, 16153878), (52, 13047363), (63, 10769252), (73, 9294012), (78, 8698242), (84, 8076939), (91, 7455636), (117, 5798828), (126, 5384626), (146, 4647006), (156, 4349121), (182, 3727818), (219, 3098004), (234, 2899414), (252, 2692313), (273, 2485212), (292, 2323503), (364, 1863909), (438, 1549002), (468, 1449707), (511, 1327716), (546, 1242606), (657, 1032668), (819, 828404), (876, 774501), (949, 714924), (1022, 663858), (1092, 621303), (1314, 516334), (1533, 442572), (1638, 414202), (1898, 357462), (2044, 331929), (2628, 258167), (2837, 239148), (2847, 238308), (3066, 221286), (3276, 207101), (3796, 178731), (4599, 147524), (5674, 119574), (5694, 119154), (6132, 110643), (6643, 102132), (8511, 79716), (8541, 79436), (9198, 73762), (11348, 59787), (11388, 59577), (13286, 51066), (17022, 39858), (17082, 39718), (18396, 36881), (19859, 34164), (19929, 34044), (25533, 26572)]