38890864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 78744960

約数和(自身を除く): 39854096

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 712, 881, 1424, 1762, 2759, 3524, 5518, 7048, 11036, 14096, 22072, 27311, 44144, 54622, 78409, 109244, 156818, 218488, 313636, 436976, 627272, 1254544, 2430679, 4861358, 9722716, 19445432, 38890864]

約数ペア:

[(1, 38890864), (2, 19445432), (4, 9722716), (8, 4861358), (16, 2430679), (31, 1254544), (62, 627272), (89, 436976), (124, 313636), (178, 218488), (248, 156818), (356, 109244), (496, 78409), (712, 54622), (881, 44144), (1424, 27311), (1762, 22072), (2759, 14096), (3524, 11036), (5518, 7048)]