388889752

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{1831}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 738662400

約数和(自身を除く): 349772648

約数列:

[1, 2, 4, 8, 139, 191, 278, 382, 556, 764, 1112, 1528, 1831, 3662, 7324, 14648, 26549, 53098, 106196, 212392, 254509, 349721, 509018, 699442, 1018036, 1398884, 2036072, 2797768, 48611219, 97222438, 194444876, 388889752]

約数ペア:

[(1, 388889752), (2, 194444876), (4, 97222438), (8, 48611219), (139, 2797768), (191, 2036072), (278, 1398884), (382, 1018036), (556, 699442), (764, 509018), (1112, 349721), (1528, 254509), (1831, 212392), (3662, 106196), (7324, 53098), (14648, 26549)]