248791472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{818393}}^1$

素因数の和:818420

約数の個数: 20

約数和(自身を含む): 507404280

約数和(自身を除く): 258612808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 818393, 1636786, 3273572, 6547144, 13094288, 15549467, 31098934, 62197868, 124395736, 248791472]

約数ペア:

[(1, 248791472), (2, 124395736), (4, 62197868), (8, 31098934), (16, 15549467), (19, 13094288), (38, 6547144), (76, 3273572), (152, 1636786), (304, 818393)]