247907192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 532980000

約数和(自身を除く): 285072808

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 281, 442, 499, 562, 884, 998, 1124, 1768, 1996, 2248, 3653, 3992, 4777, 6487, 7306, 8483, 9554, 12974, 14612, 16966, 19108, 25948, 29224, 33932, 38216, 51896, 62101, 67864, 110279, 124202, 140219, 220558, 248404, 280438, 441116, 496808, 560876, 882232, 1121752, 1822847, 2383723, 3645694, 4767446, 7291388, 9534892, 14582776, 19069784, 30988399, 61976798, 123953596, 247907192]

約数ペア:

[(1, 247907192), (2, 123953596), (4, 61976798), (8, 30988399), (13, 19069784), (17, 14582776), (26, 9534892), (34, 7291388), (52, 4767446), (68, 3645694), (104, 2383723), (136, 1822847), (221, 1121752), (281, 882232), (442, 560876), (499, 496808), (562, 441116), (884, 280438), (998, 248404), (1124, 220558), (1768, 140219), (1996, 124202), (2248, 110279), (3653, 67864), (3992, 62101), (4777, 51896), (6487, 38216), (7306, 33932), (8483, 29224), (9554, 25948), (12974, 19108), (14612, 16966)]