256414994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 466560000

約数和(自身を除く): 210145006

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 149, 179, 209, 253, 298, 358, 418, 437, 506, 874, 1639, 1969, 2831, 3278, 3401, 3427, 3938, 4117, 4807, 5662, 6802, 6854, 8234, 9614, 26671, 31141, 37411, 37697, 45287, 53342, 62282, 65113, 74822, 75394, 78223, 90574, 130226, 156446, 293381, 506749, 586762, 613433, 716243, 860453, 1013498, 1226866, 1432486, 1720906, 5574239, 6747763, 11148478, 11655227, 13495526, 23310454, 128207497, 256414994]

約数ペア:

[(1, 256414994), (2, 128207497), (11, 23310454), (19, 13495526), (22, 11655227), (23, 11148478), (38, 6747763), (46, 5574239), (149, 1720906), (179, 1432486), (209, 1226866), (253, 1013498), (298, 860453), (358, 716243), (418, 613433), (437, 586762), (506, 506749), (874, 293381), (1639, 156446), (1969, 130226), (2831, 90574), (3278, 78223), (3401, 75394), (3427, 74822), (3938, 65113), (4117, 62282), (4807, 53342), (5662, 45287), (6802, 37697), (6854, 37411), (8234, 31141), (9614, 26671)]