251616492

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 650534976

約数和(自身を除く): 398918484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 107, 166, 214, 249, 321, 332, 428, 498, 642, 747, 787, 963, 996, 1284, 1494, 1574, 1926, 2361, 2988, 3148, 3852, 4722, 7083, 8881, 9444, 14166, 17762, 26643, 28332, 35524, 53286, 65321, 79929, 84209, 106572, 130642, 159858, 168418, 195963, 252627, 261284, 319716, 336836, 391926, 505254, 587889, 757881, 783852, 1010508, 1175778, 1515762, 2351556, 3031524, 6989347, 13978694, 20968041, 27957388, 41936082, 62904123, 83872164, 125808246, 251616492]

約数ペア:

[(1, 251616492), (2, 125808246), (3, 83872164), (4, 62904123), (6, 41936082), (9, 27957388), (12, 20968041), (18, 13978694), (36, 6989347), (83, 3031524), (107, 2351556), (166, 1515762), (214, 1175778), (249, 1010508), (321, 783852), (332, 757881), (428, 587889), (498, 505254), (642, 391926), (747, 336836), (787, 319716), (963, 261284), (996, 252627), (1284, 195963), (1494, 168418), (1574, 159858), (1926, 130642), (2361, 106572), (2988, 84209), (3148, 79929), (3852, 65321), (4722, 53286), (7083, 35524), (8881, 28332), (9444, 26643), (14166, 17762)]