1978748848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3989413}}^1$

素因数の和:3989452

約数の個数: 20

約数和(自身を含む): 3957498688

約数和(自身を除く): 1978749840

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3989413, 7978826, 15957652, 31915304, 63830608, 123671803, 247343606, 494687212, 989374424, 1978748848]

約数ペア:

[(1, 1978748848), (2, 989374424), (4, 494687212), (8, 247343606), (16, 123671803), (31, 63830608), (62, 31915304), (124, 15957652), (248, 7978826), (496, 3989413)]