686569984

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 1419694848

約数和(自身を除く): 733124864

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 103, 128, 188, 206, 256, 277, 376, 412, 512, 554, 752, 824, 1108, 1504, 1648, 2216, 3008, 3296, 4432, 4841, 6016, 6592, 8864, 9682, 12032, 13019, 13184, 17728, 19364, 24064, 26038, 26368, 28531, 35456, 38728, 52076, 52736, 57062, 70912, 77456, 104152, 114124, 141824, 154912, 208304, 228248, 309824, 416608, 456496, 619648, 833216, 912992, 1239296, 1340957, 1666432, 1825984, 2478592, 2681914, 3332864, 3651968, 5363828, 6665728, 7303936, 10727656, 14607872, 21455312, 42910624, 85821248, 171642496, 343284992, 686569984]

約数ペア:

[(1, 686569984), (2, 343284992), (4, 171642496), (8, 85821248), (16, 42910624), (32, 21455312), (47, 14607872), (64, 10727656), (94, 7303936), (103, 6665728), (128, 5363828), (188, 3651968), (206, 3332864), (256, 2681914), (277, 2478592), (376, 1825984), (412, 1666432), (512, 1340957), (554, 1239296), (752, 912992), (824, 833216), (1108, 619648), (1504, 456496), (1648, 416608), (2216, 309824), (3008, 228248), (3296, 208304), (4432, 154912), (4841, 141824), (6016, 114124), (6592, 104152), (8864, 77456), (9682, 70912), (12032, 57062), (13019, 52736), (13184, 52076), (17728, 38728), (19364, 35456), (24064, 28531), (26038, 26368)]