388317488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{3413}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 811958448

約数和(自身を除く): 423640960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 547, 1094, 2188, 3413, 4376, 6826, 7111, 8752, 13652, 14222, 27304, 28444, 44369, 54608, 56888, 88738, 113776, 177476, 354952, 709904, 1866911, 3733822, 7467644, 14935288, 24269843, 29870576, 48539686, 97079372, 194158744, 388317488]

約数ペア:

[(1, 388317488), (2, 194158744), (4, 97079372), (8, 48539686), (13, 29870576), (16, 24269843), (26, 14935288), (52, 7467644), (104, 3733822), (208, 1866911), (547, 709904), (1094, 354952), (2188, 177476), (3413, 113776), (4376, 88738), (6826, 56888), (7111, 54608), (8752, 44369), (13652, 28444), (14222, 27304)]