90123956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{617}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 173394732

約数和(自身を除く): 83270776

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 617, 689, 1234, 1378, 2468, 2756, 2809, 5618, 8021, 11236, 16042, 32084, 32701, 36517, 65402, 73034, 130804, 146068, 425113, 850226, 1700452, 1733153, 3466306, 6932612, 22530989, 45061978, 90123956]

約数ペア:

[(1, 90123956), (2, 45061978), (4, 22530989), (13, 6932612), (26, 3466306), (52, 1733153), (53, 1700452), (106, 850226), (212, 425113), (617, 146068), (689, 130804), (1234, 73034), (1378, 65402), (2468, 36517), (2756, 32701), (2809, 32084), (5618, 16042), (8021, 11236)]