90163184

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 178738560

約数和(自身を除く): 88575376

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 556, 568, 571, 1112, 1136, 1142, 2224, 2284, 4568, 9136, 9869, 19738, 39476, 40541, 78952, 79369, 81082, 157904, 158738, 162164, 317476, 324328, 634952, 648656, 1269904, 5635199, 11270398, 22540796, 45081592, 90163184]

約数ペア:

[(1, 90163184), (2, 45081592), (4, 22540796), (8, 11270398), (16, 5635199), (71, 1269904), (139, 648656), (142, 634952), (278, 324328), (284, 317476), (556, 162164), (568, 158738), (571, 157904), (1112, 81082), (1136, 79369), (1142, 78952), (2224, 40541), (2284, 39476), (4568, 19738), (9136, 9869)]