123309568

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 269875584

約数和(自身を除く): 146566016

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 457, 496, 512, 527, 544, 914, 992, 1054, 1088, 1828, 1984, 2108, 2176, 3656, 3968, 4216, 4352, 7312, 7769, 7936, 8432, 8704, 14167, 14624, 15538, 15872, 16864, 28334, 29248, 31076, 33728, 56668, 58496, 62152, 67456, 113336, 116992, 124304, 134912, 226672, 233984, 240839, 248608, 269824, 453344, 481678, 497216, 906688, 963356, 994432, 1813376, 1926712, 1988864, 3626752, 3853424, 3977728, 7253504, 7706848, 15413696, 30827392, 61654784, 123309568]

約数ペア:

[(1, 123309568), (2, 61654784), (4, 30827392), (8, 15413696), (16, 7706848), (17, 7253504), (31, 3977728), (32, 3853424), (34, 3626752), (62, 1988864), (64, 1926712), (68, 1813376), (124, 994432), (128, 963356), (136, 906688), (248, 497216), (256, 481678), (272, 453344), (457, 269824), (496, 248608), (512, 240839), (527, 233984), (544, 226672), (914, 134912), (992, 124304), (1054, 116992), (1088, 113336), (1828, 67456), (1984, 62152), (2108, 58496), (2176, 56668), (3656, 33728), (3968, 31076), (4216, 29248), (4352, 28334), (7312, 16864), (7769, 15872), (7936, 15538), (8432, 14624), (8704, 14167)]