28138838

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1699}}^1$

素因数の和:1741

約数の個数: 36

約数和(自身を含む): 53198100

約数和(自身を除く): 25059262

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1274, 1699, 2366, 3398, 8281, 11893, 16562, 22087, 23786, 44174, 83251, 154609, 166502, 287131, 309218, 574262, 1082263, 2009917, 2164526, 4019834, 14069419, 28138838]

約数ペア:

[(1, 28138838), (2, 14069419), (7, 4019834), (13, 2164526), (14, 2009917), (26, 1082263), (49, 574262), (91, 309218), (98, 287131), (169, 166502), (182, 154609), (338, 83251), (637, 44174), (1183, 23786), (1274, 22087), (1699, 16562), (2366, 11893), (3398, 8281)]