426955490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{49019}}^1$

素因数の和:49106

約数の個数: 32

約数和(自身を含む): 840006720

約数和(自身を除く): 413051230

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 49019, 98038, 245095, 490190, 637247, 1274494, 3186235, 3284273, 6372470, 6568546, 16421365, 32842730, 42695549, 85391098, 213477745, 426955490]

約数ペア:

[(1, 426955490), (2, 213477745), (5, 85391098), (10, 42695549), (13, 32842730), (26, 16421365), (65, 6568546), (67, 6372470), (130, 3284273), (134, 3186235), (335, 1274494), (670, 637247), (871, 490190), (1742, 245095), (4355, 98038), (8710, 49019)]