11981216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 25782624

約数和(自身を除く): 13801408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 347, 416, 664, 694, 1079, 1328, 1388, 2158, 2656, 2776, 4316, 4511, 5552, 8632, 9022, 11104, 17264, 18044, 28801, 34528, 36088, 57602, 72176, 115204, 144352, 230408, 374413, 460816, 748826, 921632, 1497652, 2995304, 5990608, 11981216]

約数ペア:

[(1, 11981216), (2, 5990608), (4, 2995304), (8, 1497652), (13, 921632), (16, 748826), (26, 460816), (32, 374413), (52, 230408), (83, 144352), (104, 115204), (166, 72176), (208, 57602), (332, 36088), (347, 34528), (416, 28801), (664, 18044), (694, 17264), (1079, 11104), (1328, 9022), (1388, 8632), (2158, 5552), (2656, 4511), (2776, 4316)]