128897008

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 263748744

約数和(自身を除く): 134851736

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 101, 124, 166, 202, 248, 332, 404, 496, 664, 808, 961, 1328, 1616, 1922, 2573, 3131, 3844, 5146, 6262, 7688, 8383, 10292, 12524, 15376, 16766, 20584, 25048, 33532, 41168, 50096, 67064, 79763, 97061, 134128, 159526, 194122, 259873, 319052, 388244, 519746, 638104, 776488, 1039492, 1276208, 1552976, 2078984, 4157968, 8056063, 16112126, 32224252, 64448504, 128897008]

約数ペア:

[(1, 128897008), (2, 64448504), (4, 32224252), (8, 16112126), (16, 8056063), (31, 4157968), (62, 2078984), (83, 1552976), (101, 1276208), (124, 1039492), (166, 776488), (202, 638104), (248, 519746), (332, 388244), (404, 319052), (496, 259873), (664, 194122), (808, 159526), (961, 134128), (1328, 97061), (1616, 79763), (1922, 67064), (2573, 50096), (3131, 41168), (3844, 33532), (5146, 25048), (6262, 20584), (7688, 16766), (8383, 15376), (10292, 12524)]