789640866

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 2098790400

約数和(自身を除く): 1309149534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 79, 93, 126, 158, 186, 189, 217, 237, 279, 378, 434, 474, 553, 558, 651, 711, 837, 853, 1106, 1302, 1422, 1659, 1674, 1706, 1953, 2133, 2449, 2559, 3318, 3906, 4266, 4898, 4977, 5118, 5859, 5971, 7347, 7677, 9954, 11718, 11942, 14694, 14931, 15354, 17143, 17913, 22041, 23031, 26443, 29862, 34286, 35826, 44082, 46062, 51429, 52886, 53739, 66123, 67387, 79329, 102858, 107478, 132246, 134774, 154287, 158658, 161217, 185101, 202161, 237987, 308574, 322434, 370202, 404322, 462861, 471709, 475974, 555303, 606483, 713961, 925722, 943418, 1110606, 1212966, 1415127, 1427922, 1665909, 1819449, 2088997, 2830254, 3331818, 3638898, 4177994, 4245381, 4997727, 6266991, 8490762, 9995454, 12533982, 12736143, 14622979, 18800973, 25472286, 29245958, 37601946, 43868937, 56402919, 87737874, 112805838, 131606811, 263213622, 394820433, 789640866]

約数ペア:

[(1, 789640866), (2, 394820433), (3, 263213622), (6, 131606811), (7, 112805838), (9, 87737874), (14, 56402919), (18, 43868937), (21, 37601946), (27, 29245958), (31, 25472286), (42, 18800973), (54, 14622979), (62, 12736143), (63, 12533982), (79, 9995454), (93, 8490762), (126, 6266991), (158, 4997727), (186, 4245381), (189, 4177994), (217, 3638898), (237, 3331818), (279, 2830254), (378, 2088997), (434, 1819449), (474, 1665909), (553, 1427922), (558, 1415127), (651, 1212966), (711, 1110606), (837, 943418), (853, 925722), (1106, 713961), (1302, 606483), (1422, 555303), (1659, 475974), (1674, 471709), (1706, 462861), (1953, 404322), (2133, 370202), (2449, 322434), (2559, 308574), (3318, 237987), (3906, 202161), (4266, 185101), (4898, 161217), (4977, 158658), (5118, 154287), (5859, 134774), (5971, 132246), (7347, 107478), (7677, 102858), (9954, 79329), (11718, 67387), (11942, 66123), (14694, 53739), (14931, 52886), (15354, 51429), (17143, 46062), (17913, 44082), (22041, 35826), (23031, 34286), (26443, 29862)]