1393676144

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{654923}}^1$

素因数の和:654957

約数の個数: 40

約数和(自身を含む): 3248423040

約数和(自身を除く): 1854746896

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 654923, 1309846, 2619692, 4584461, 5239384, 9168922, 10478768, 12443537, 18337844, 24887074, 36675688, 49774148, 73351376, 87104759, 99548296, 174209518, 199096592, 348419036, 696838072, 1393676144]

約数ペア:

[(1, 1393676144), (2, 696838072), (4, 348419036), (7, 199096592), (8, 174209518), (14, 99548296), (16, 87104759), (19, 73351376), (28, 49774148), (38, 36675688), (56, 24887074), (76, 18337844), (112, 12443537), (133, 10478768), (152, 9168922), (266, 5239384), (304, 4584461), (532, 2619692), (1064, 1309846), (2128, 654923)]