261640808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{228707}}^1$

素因数の和:228737

約数の個数: 32

約数和(自身を含む): 576344160

約数和(自身を除く): 314703352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 228707, 457414, 914828, 1829656, 2515777, 2973191, 5031554, 5946382, 10063108, 11892764, 20126216, 23785528, 32705101, 65410202, 130820404, 261640808]

約数ペア:

[(1, 261640808), (2, 130820404), (4, 65410202), (8, 32705101), (11, 23785528), (13, 20126216), (22, 11892764), (26, 10063108), (44, 5946382), (52, 5031554), (88, 2973191), (104, 2515777), (143, 1829656), (286, 914828), (572, 457414), (1144, 228707)]