289390208

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{72931}}^1$

素因数の和:72976

約数の個数: 32

約数和(自身を含む): 595125120

約数和(自身を除く): 305734912

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 72931, 145862, 291724, 583448, 1166896, 2260861, 2333792, 4521722, 4667584, 9043444, 9335168, 18086888, 36173776, 72347552, 144695104, 289390208]

約数ペア:

[(1, 289390208), (2, 144695104), (4, 72347552), (8, 36173776), (16, 18086888), (31, 9335168), (32, 9043444), (62, 4667584), (64, 4521722), (124, 2333792), (128, 2260861), (248, 1166896), (496, 583448), (992, 291724), (1984, 145862), (3968, 72931)]