260616616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131891}}^1$

素因数の和:131929

約数の個数: 32

約数和(自身を含む): 553946400

約数和(自身を除く): 293329784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 131891, 263782, 527564, 1055128, 1714583, 2505929, 3429166, 5011858, 6858332, 10023716, 13716664, 20047432, 32577077, 65154154, 130308308, 260616616]

約数ペア:

[(1, 260616616), (2, 130308308), (4, 65154154), (8, 32577077), (13, 20047432), (19, 13716664), (26, 10023716), (38, 6858332), (52, 5011858), (76, 3429166), (104, 2505929), (152, 1714583), (247, 1055128), (494, 527564), (988, 263782), (1976, 131891)]