172320616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19963}}^1$

素因数の和:20065

約数の個数: 32

約数和(自身を含む): 352164960

約数和(自身を除く): 179844344

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 8632, 19963, 39926, 79852, 159704, 259519, 519038, 1038076, 1656929, 2076152, 3313858, 6627716, 13255432, 21540077, 43080154, 86160308, 172320616]

約数ペア:

[(1, 172320616), (2, 86160308), (4, 43080154), (8, 21540077), (13, 13255432), (26, 6627716), (52, 3313858), (83, 2076152), (104, 1656929), (166, 1038076), (332, 519038), (664, 259519), (1079, 159704), (2158, 79852), (4316, 39926), (8632, 19963)]