256356072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{508643}}^1$

素因数の和:508662

約数の個数: 48

約数和(自身を含む): 793484640

約数和(自身を除く): 537128568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 508643, 1017286, 1525929, 2034572, 3051858, 3560501, 4069144, 4577787, 6103716, 7121002, 9155574, 10681503, 12207432, 14242004, 18311148, 21363006, 28484008, 32044509, 36622296, 42726012, 64089018, 85452024, 128178036, 256356072]

約数ペア:

[(1, 256356072), (2, 128178036), (3, 85452024), (4, 64089018), (6, 42726012), (7, 36622296), (8, 32044509), (9, 28484008), (12, 21363006), (14, 18311148), (18, 14242004), (21, 12207432), (24, 10681503), (28, 9155574), (36, 7121002), (42, 6103716), (56, 4577787), (63, 4069144), (72, 3560501), (84, 3051858), (126, 2034572), (168, 1525929), (252, 1017286), (504, 508643)]