491978188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 1011548160

約数和(自身を除く): 519569972

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 79, 82, 92, 127, 158, 164, 254, 299, 316, 508, 533, 598, 943, 1027, 1066, 1196, 1651, 1817, 1886, 2054, 2132, 2921, 3239, 3302, 3634, 3772, 4108, 5207, 5842, 6478, 6604, 7268, 10033, 10414, 11684, 12259, 12956, 20066, 20828, 23621, 24518, 37973, 40132, 42107, 47242, 49036, 67691, 74497, 75946, 84214, 94484, 119761, 130429, 135382, 148994, 151892, 168428, 230759, 239522, 260858, 270764, 297988, 411353, 461518, 479044, 521716, 822706, 923036, 968461, 1556893, 1645412, 1936922, 2999867, 3113786, 3873844, 5347589, 5999734, 6227572, 9461119, 10695178, 11999468, 18922238, 21390356, 37844476, 122994547, 245989094, 491978188]

約数ペア:

[(1, 491978188), (2, 245989094), (4, 122994547), (13, 37844476), (23, 21390356), (26, 18922238), (41, 11999468), (46, 10695178), (52, 9461119), (79, 6227572), (82, 5999734), (92, 5347589), (127, 3873844), (158, 3113786), (164, 2999867), (254, 1936922), (299, 1645412), (316, 1556893), (508, 968461), (533, 923036), (598, 822706), (943, 521716), (1027, 479044), (1066, 461518), (1196, 411353), (1651, 297988), (1817, 270764), (1886, 260858), (2054, 239522), (2132, 230759), (2921, 168428), (3239, 151892), (3302, 148994), (3634, 135382), (3772, 130429), (4108, 119761), (5207, 94484), (5842, 84214), (6478, 75946), (6604, 74497), (7268, 67691), (10033, 49036), (10414, 47242), (11684, 42107), (12259, 40132), (12956, 37973), (20066, 24518), (20828, 23621)]