393926492752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{21279521}}^1$

素因数の和:21279631

約数の個数: 40

約数和(自身を含む): 831178129320

約数和(自身を除く): 437251636568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 18512, 21279521, 42559042, 85118084, 170236168, 276633773, 340472336, 553267546, 1106535092, 1893877369, 2213070184, 3787754738, 4426140368, 7575509476, 15151018952, 24620405797, 30302037904, 49240811594, 98481623188, 196963246376, 393926492752]

約数ペア:

[(1, 393926492752), (2, 196963246376), (4, 98481623188), (8, 49240811594), (13, 30302037904), (16, 24620405797), (26, 15151018952), (52, 7575509476), (89, 4426140368), (104, 3787754738), (178, 2213070184), (208, 1893877369), (356, 1106535092), (712, 553267546), (1157, 340472336), (1424, 276633773), (2314, 170236168), (4628, 85118084), (9256, 42559042), (18512, 21279521)]