221867272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3526

約数の個数: 64

約数和(自身を含む): 491832000

約数和(自身を除く): 269964728

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, 3449, 3784, 5848, 6898, 8041, 13796, 16082, 27592, 32164, 37939, 58633, 64328, 75878, 117266, 148307, 151756, 234532, 296614, 303512, 469064, 593228, 644963, 1186456, 1289926, 1631377, 2521219, 2579852, 3262754, 5042438, 5159704, 6525508, 10084876, 13051016, 20169752, 27733409, 55466818, 110933636, 221867272]

約数ペア:

[(1, 221867272), (2, 110933636), (4, 55466818), (8, 27733409), (11, 20169752), (17, 13051016), (22, 10084876), (34, 6525508), (43, 5159704), (44, 5042438), (68, 3262754), (86, 2579852), (88, 2521219), (136, 1631377), (172, 1289926), (187, 1186456), (344, 644963), (374, 593228), (473, 469064), (731, 303512), (748, 296614), (946, 234532), (1462, 151756), (1496, 148307), (1892, 117266), (2924, 75878), (3449, 64328), (3784, 58633), (5848, 37939), (6898, 32164), (8041, 27592), (13796, 16082)]