1282203896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 2545551360

約数和(自身を除く): 1263347464

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 131, 244, 248, 262, 488, 524, 647, 1048, 1294, 1891, 2588, 3782, 4061, 5176, 7564, 7991, 8122, 15128, 15982, 16244, 20057, 31964, 32488, 39467, 40114, 63928, 78934, 80228, 84757, 157868, 160456, 169514, 247721, 315736, 339028, 495442, 678056, 990884, 1223477, 1981768, 2446954, 2627467, 4893908, 5170177, 5254934, 9787816, 10340354, 10509868, 20680708, 21019736, 41361416, 160275487, 320550974, 641101948, 1282203896]

約数ペア:

[(1, 1282203896), (2, 641101948), (4, 320550974), (8, 160275487), (31, 41361416), (61, 21019736), (62, 20680708), (122, 10509868), (124, 10340354), (131, 9787816), (244, 5254934), (248, 5170177), (262, 4893908), (488, 2627467), (524, 2446954), (647, 1981768), (1048, 1223477), (1294, 990884), (1891, 678056), (2588, 495442), (3782, 339028), (4061, 315736), (5176, 247721), (7564, 169514), (7991, 160456), (8122, 157868), (15128, 84757), (15982, 80228), (16244, 78934), (20057, 63928), (31964, 40114), (32488, 39467)]