138746816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 112

約数和(自身を含む): 319186560

約数和(自身を除く): 180439744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 67, 76, 104, 131, 134, 152, 208, 247, 262, 268, 304, 416, 494, 524, 536, 608, 832, 871, 988, 1048, 1072, 1216, 1273, 1703, 1742, 1976, 2096, 2144, 2489, 2546, 3406, 3484, 3952, 4192, 4288, 4978, 5092, 6812, 6968, 7904, 8384, 8777, 9956, 10184, 13624, 13936, 15808, 16549, 17554, 19912, 20368, 27248, 27872, 32357, 33098, 35108, 39824, 40736, 54496, 55744, 64714, 66196, 70216, 79648, 81472, 108992, 114101, 129428, 132392, 140432, 159296, 166763, 228202, 258856, 264784, 280864, 333526, 456404, 517712, 529568, 561728, 667052, 912808, 1035424, 1059136, 1334104, 1825616, 2070848, 2167919, 2668208, 3651232, 4335838, 5336416, 7302464, 8671676, 10672832, 17343352, 34686704, 69373408, 138746816]

約数ペア:

[(1, 138746816), (2, 69373408), (4, 34686704), (8, 17343352), (13, 10672832), (16, 8671676), (19, 7302464), (26, 5336416), (32, 4335838), (38, 3651232), (52, 2668208), (64, 2167919), (67, 2070848), (76, 1825616), (104, 1334104), (131, 1059136), (134, 1035424), (152, 912808), (208, 667052), (247, 561728), (262, 529568), (268, 517712), (304, 456404), (416, 333526), (494, 280864), (524, 264784), (536, 258856), (608, 228202), (832, 166763), (871, 159296), (988, 140432), (1048, 132392), (1072, 129428), (1216, 114101), (1273, 108992), (1703, 81472), (1742, 79648), (1976, 70216), (2096, 66196), (2144, 64714), (2489, 55744), (2546, 54496), (3406, 40736), (3484, 39824), (3952, 35108), (4192, 33098), (4288, 32357), (4978, 27872), (5092, 27248), (6812, 20368), (6968, 19912), (7904, 17554), (8384, 16549), (8777, 15808), (9956, 13936), (10184, 13624)]