870866178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 128

約数和(自身を含む): 2277703680

約数和(自身を除く): 1406837502

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 127, 133, 182, 247, 254, 266, 273, 381, 399, 494, 546, 661, 741, 762, 798, 889, 1322, 1482, 1651, 1729, 1778, 1983, 2413, 2667, 3302, 3458, 3966, 4627, 4826, 4953, 5187, 5334, 7239, 8593, 9254, 9906, 10374, 11557, 12559, 13881, 14478, 16891, 17186, 23114, 25118, 25779, 27762, 31369, 33782, 34671, 37677, 50673, 51558, 60151, 62738, 69342, 75354, 83947, 87913, 94107, 101346, 120302, 163267, 167894, 175826, 180453, 188214, 219583, 251841, 263739, 326534, 360906, 439166, 489801, 503682, 527478, 587629, 658749, 979602, 1091311, 1142869, 1175258, 1317498, 1594993, 1762887, 2182622, 2285738, 3189986, 3273933, 3428607, 3525774, 4784979, 6547866, 6857214, 7639177, 9569958, 11164951, 15278354, 20734909, 22329902, 22917531, 33494853, 41469818, 45835062, 62204727, 66989706, 124409454, 145144363, 290288726, 435433089, 870866178]

約数ペア:

[(1, 870866178), (2, 435433089), (3, 290288726), (6, 145144363), (7, 124409454), (13, 66989706), (14, 62204727), (19, 45835062), (21, 41469818), (26, 33494853), (38, 22917531), (39, 22329902), (42, 20734909), (57, 15278354), (78, 11164951), (91, 9569958), (114, 7639177), (127, 6857214), (133, 6547866), (182, 4784979), (247, 3525774), (254, 3428607), (266, 3273933), (273, 3189986), (381, 2285738), (399, 2182622), (494, 1762887), (546, 1594993), (661, 1317498), (741, 1175258), (762, 1142869), (798, 1091311), (889, 979602), (1322, 658749), (1482, 587629), (1651, 527478), (1729, 503682), (1778, 489801), (1983, 439166), (2413, 360906), (2667, 326534), (3302, 263739), (3458, 251841), (3966, 219583), (4627, 188214), (4826, 180453), (4953, 175826), (5187, 167894), (5334, 163267), (7239, 120302), (8593, 101346), (9254, 94107), (9906, 87913), (10374, 83947), (11557, 75354), (12559, 69342), (13881, 62738), (14478, 60151), (16891, 51558), (17186, 50673), (23114, 37677), (25118, 34671), (25779, 33782), (27762, 31369)]