126979216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87211}}^1$

素因数の和:87239

約数の個数: 40

約数和(自身を含む): 302800064

約数和(自身を除く): 175820848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 87211, 174422, 348844, 610477, 697688, 1133743, 1220954, 1395376, 2267486, 2441908, 4534972, 4883816, 7936201, 9069944, 9767632, 15872402, 18139888, 31744804, 63489608, 126979216]

約数ペア:

[(1, 126979216), (2, 63489608), (4, 31744804), (7, 18139888), (8, 15872402), (13, 9767632), (14, 9069944), (16, 7936201), (26, 4883816), (28, 4534972), (52, 2441908), (56, 2267486), (91, 1395376), (104, 1220954), (112, 1133743), (182, 697688), (208, 610477), (364, 348844), (728, 174422), (1456, 87211)]