641085952

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 120

約数和(自身を含む): 1437765120

約数和(自身を除く): 796679168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 208, 239, 248, 256, 338, 403, 416, 478, 496, 512, 676, 806, 832, 956, 992, 1352, 1612, 1664, 1912, 1984, 2704, 3107, 3224, 3328, 3824, 3968, 5239, 5408, 6214, 6448, 6656, 7409, 7648, 7936, 10478, 10816, 12428, 12896, 14818, 15296, 15872, 20956, 21632, 24856, 25792, 29636, 30592, 40391, 41912, 43264, 49712, 51584, 59272, 61184, 80782, 83824, 86528, 96317, 99424, 103168, 118544, 122368, 161564, 167648, 192634, 198848, 206336, 237088, 323128, 335296, 385268, 397696, 474176, 646256, 670592, 770536, 795392, 948352, 1252121, 1292512, 1341184, 1541072, 1590784, 1896704, 2504242, 2585024, 2682368, 3082144, 3793408, 5008484, 5170048, 6164288, 10016968, 10340096, 12328576, 20033936, 20680192, 24657152, 40067872, 49314304, 80135744, 160271488, 320542976, 641085952]

約数ペア:

[(1, 641085952), (2, 320542976), (4, 160271488), (8, 80135744), (13, 49314304), (16, 40067872), (26, 24657152), (31, 20680192), (32, 20033936), (52, 12328576), (62, 10340096), (64, 10016968), (104, 6164288), (124, 5170048), (128, 5008484), (169, 3793408), (208, 3082144), (239, 2682368), (248, 2585024), (256, 2504242), (338, 1896704), (403, 1590784), (416, 1541072), (478, 1341184), (496, 1292512), (512, 1252121), (676, 948352), (806, 795392), (832, 770536), (956, 670592), (992, 646256), (1352, 474176), (1612, 397696), (1664, 385268), (1912, 335296), (1984, 323128), (2704, 237088), (3107, 206336), (3224, 198848), (3328, 192634), (3824, 167648), (3968, 161564), (5239, 122368), (5408, 118544), (6214, 103168), (6448, 99424), (6656, 96317), (7409, 86528), (7648, 83824), (7936, 80782), (10478, 61184), (10816, 59272), (12428, 51584), (12896, 49712), (14818, 43264), (15296, 41912), (15872, 40391), (20956, 30592), (21632, 29636), (24856, 25792)]