1406444144

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{660923}}^1$

素因数の和:660957

約数の個数: 40

約数和(自身を含む): 3278183040

約数和(自身を除く): 1871738896

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 660923, 1321846, 2643692, 4626461, 5287384, 9252922, 10574768, 12557537, 18505844, 25115074, 37011688, 50230148, 74023376, 87902759, 100460296, 175805518, 200920592, 351611036, 703222072, 1406444144]

約数ペア:

[(1, 1406444144), (2, 703222072), (4, 351611036), (7, 200920592), (8, 175805518), (14, 100460296), (16, 87902759), (19, 74023376), (28, 50230148), (38, 37011688), (56, 25115074), (76, 18505844), (112, 12557537), (133, 10574768), (152, 9252922), (266, 5287384), (304, 4626461), (532, 2643692), (1064, 1321846), (2128, 660923)]