79891808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 167333040

約数和(自身を除く): 87441232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 404, 608, 808, 1301, 1616, 1919, 2602, 3232, 3838, 5204, 7676, 10408, 15352, 20816, 24719, 30704, 41632, 49438, 61408, 98876, 131401, 197752, 262802, 395504, 525604, 791008, 1051208, 2102416, 2496619, 4204832, 4993238, 9986476, 19972952, 39945904, 79891808]

約数ペア:

[(1, 79891808), (2, 39945904), (4, 19972952), (8, 9986476), (16, 4993238), (19, 4204832), (32, 2496619), (38, 2102416), (76, 1051208), (101, 791008), (152, 525604), (202, 395504), (304, 262802), (404, 197752), (608, 131401), (808, 98876), (1301, 61408), (1616, 49438), (1919, 41632), (2602, 30704), (3232, 24719), (3838, 20816), (5204, 15352), (7676, 10408)]