256047352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2092

約数の個数: 64

約数和(自身を含む): 552407040

約数和(自身を除く): 296359688

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 47, 62, 88, 94, 124, 188, 248, 341, 376, 517, 682, 1034, 1364, 1457, 1997, 2068, 2728, 2914, 3994, 4136, 5828, 7988, 11656, 15976, 16027, 21967, 32054, 43934, 61907, 64108, 87868, 93859, 123814, 128216, 175736, 187718, 247628, 375436, 495256, 680977, 750872, 1032449, 1361954, 2064898, 2723908, 2909629, 4129796, 5447816, 5819258, 8259592, 11638516, 23277032, 32005919, 64011838, 128023676, 256047352]

約数ペア:

[(1, 256047352), (2, 128023676), (4, 64011838), (8, 32005919), (11, 23277032), (22, 11638516), (31, 8259592), (44, 5819258), (47, 5447816), (62, 4129796), (88, 2909629), (94, 2723908), (124, 2064898), (188, 1361954), (248, 1032449), (341, 750872), (376, 680977), (517, 495256), (682, 375436), (1034, 247628), (1364, 187718), (1457, 175736), (1997, 128216), (2068, 123814), (2728, 93859), (2914, 87868), (3994, 64108), (4136, 61907), (5828, 43934), (7988, 32054), (11656, 21967), (15976, 16027)]