31604768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 73347120

約数和(自身を除く): 41742352

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 68, 82, 104, 109, 136, 164, 208, 218, 221, 272, 328, 416, 436, 442, 533, 544, 656, 697, 872, 884, 1066, 1312, 1394, 1417, 1744, 1768, 1853, 2132, 2788, 2834, 3488, 3536, 3706, 4264, 4469, 5576, 5668, 7072, 7412, 8528, 8938, 9061, 11152, 11336, 14824, 17056, 17876, 18122, 22304, 22672, 24089, 29648, 35752, 36244, 45344, 48178, 58097, 59296, 71504, 72488, 75973, 96356, 116194, 143008, 144976, 151946, 192712, 232388, 289952, 303892, 385424, 464776, 607784, 770848, 929552, 987649, 1215568, 1859104, 1975298, 2431136, 3950596, 7901192, 15802384, 31604768]

約数ペア:

[(1, 31604768), (2, 15802384), (4, 7901192), (8, 3950596), (13, 2431136), (16, 1975298), (17, 1859104), (26, 1215568), (32, 987649), (34, 929552), (41, 770848), (52, 607784), (68, 464776), (82, 385424), (104, 303892), (109, 289952), (136, 232388), (164, 192712), (208, 151946), (218, 144976), (221, 143008), (272, 116194), (328, 96356), (416, 75973), (436, 72488), (442, 71504), (533, 59296), (544, 58097), (656, 48178), (697, 45344), (872, 36244), (884, 35752), (1066, 29648), (1312, 24089), (1394, 22672), (1417, 22304), (1744, 18122), (1768, 17876), (1853, 17056), (2132, 14824), (2788, 11336), (2834, 11152), (3488, 9061), (3536, 8938), (3706, 8528), (4264, 7412), (4469, 7072), (5576, 5668)]