215305816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 477290880

約数和(自身を除く): 261985064

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 187, 344, 374, 473, 731, 748, 946, 1462, 1496, 1892, 2924, 3347, 3784, 5848, 6694, 8041, 13388, 16082, 26776, 32164, 36817, 56899, 64328, 73634, 113798, 143921, 147268, 227596, 287842, 294536, 455192, 575684, 625889, 1151368, 1251778, 1583131, 2446657, 2503556, 3166262, 4893314, 5007112, 6332524, 9786628, 12665048, 19573256, 26913227, 53826454, 107652908, 215305816]

約数ペア:

[(1, 215305816), (2, 107652908), (4, 53826454), (8, 26913227), (11, 19573256), (17, 12665048), (22, 9786628), (34, 6332524), (43, 5007112), (44, 4893314), (68, 3166262), (86, 2503556), (88, 2446657), (136, 1583131), (172, 1251778), (187, 1151368), (344, 625889), (374, 575684), (473, 455192), (731, 294536), (748, 287842), (946, 227596), (1462, 147268), (1496, 143921), (1892, 113798), (2924, 73634), (3347, 64328), (3784, 56899), (5848, 36817), (6694, 32164), (8041, 26776), (13388, 16082)]