2647648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 5733504

約数和(自身を除く): 3085856

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 157, 248, 272, 314, 496, 527, 544, 628, 992, 1054, 1256, 2108, 2512, 2669, 4216, 4867, 5024, 5338, 8432, 9734, 10676, 16864, 19468, 21352, 38936, 42704, 77872, 82739, 85408, 155744, 165478, 330956, 661912, 1323824, 2647648]

約数ペア:

[(1, 2647648), (2, 1323824), (4, 661912), (8, 330956), (16, 165478), (17, 155744), (31, 85408), (32, 82739), (34, 77872), (62, 42704), (68, 38936), (124, 21352), (136, 19468), (157, 16864), (248, 10676), (272, 9734), (314, 8432), (496, 5338), (527, 5024), (544, 4867), (628, 4216), (992, 2669), (1054, 2512), (1256, 2108)]