20161906604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1167

約数の個数: 96

約数和(自身を含む): 42177687552

約数和(自身を除く): 22015780948

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 217, 233, 262, 434, 466, 524, 761, 868, 917, 932, 1522, 1631, 1834, 3044, 3262, 3668, 4061, 5327, 6524, 7223, 8122, 10654, 14446, 16244, 21308, 23591, 28427, 28892, 30523, 47182, 50561, 56854, 61046, 94364, 99691, 101122, 113708, 122092, 165137, 177313, 199382, 202244, 213661, 330274, 354626, 398764, 427322, 660548, 697837, 709252, 854644, 946213, 1241191, 1395674, 1892426, 2482382, 2791348, 3090421, 3784852, 4964764, 5496703, 6180842, 6623491, 10993406, 12361684, 13246982, 21632947, 21986812, 23228003, 26493964, 38476921, 43265894, 46456006, 76953842, 86531788, 92912012, 153907684, 162596021, 325192042, 650384084, 720068093, 1440136186, 2880272372, 5040476651, 10080953302, 20161906604]

約数ペア:

[(1, 20161906604), (2, 10080953302), (4, 5040476651), (7, 2880272372), (14, 1440136186), (28, 720068093), (31, 650384084), (62, 325192042), (124, 162596021), (131, 153907684), (217, 92912012), (233, 86531788), (262, 76953842), (434, 46456006), (466, 43265894), (524, 38476921), (761, 26493964), (868, 23228003), (917, 21986812), (932, 21632947), (1522, 13246982), (1631, 12361684), (1834, 10993406), (3044, 6623491), (3262, 6180842), (3668, 5496703), (4061, 4964764), (5327, 3784852), (6524, 3090421), (7223, 2791348), (8122, 2482382), (10654, 1892426), (14446, 1395674), (16244, 1241191), (21308, 946213), (23591, 854644), (28427, 709252), (28892, 697837), (30523, 660548), (47182, 427322), (50561, 398764), (56854, 354626), (61046, 330274), (94364, 213661), (99691, 202244), (101122, 199382), (113708, 177313), (122092, 165137)]