396804968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2683}}^1$

素因数の和:2854

約数の個数: 64

約数和(自身を含む): 901824000

約数和(自身を除く): 505019032

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 139, 152, 266, 278, 532, 556, 973, 1064, 1112, 1946, 2641, 2683, 3892, 5282, 5366, 7784, 10564, 10732, 18487, 18781, 21128, 21464, 36974, 37562, 50977, 73948, 75124, 101954, 147896, 150248, 203908, 356839, 372937, 407816, 713678, 745874, 1427356, 1491748, 2610559, 2854712, 2983496, 5221118, 7085803, 10442236, 14171606, 20884472, 28343212, 49600621, 56686424, 99201242, 198402484, 396804968]

約数ペア:

[(1, 396804968), (2, 198402484), (4, 99201242), (7, 56686424), (8, 49600621), (14, 28343212), (19, 20884472), (28, 14171606), (38, 10442236), (56, 7085803), (76, 5221118), (133, 2983496), (139, 2854712), (152, 2610559), (266, 1491748), (278, 1427356), (532, 745874), (556, 713678), (973, 407816), (1064, 372937), (1112, 356839), (1946, 203908), (2641, 150248), (2683, 147896), (3892, 101954), (5282, 75124), (5366, 73948), (7784, 50977), (10564, 37562), (10732, 36974), (18487, 21464), (18781, 21128)]