400086512

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{18133}}^1$

素因数の和:18345

約数の個数: 40

約数和(自身を含む): 890451936

約数和(自身を除く): 490365424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 5516, 11032, 18133, 22064, 36266, 72532, 126931, 145064, 253862, 290128, 507724, 1015448, 2030896, 3572201, 7144402, 14288804, 25005407, 28577608, 50010814, 57155216, 100021628, 200043256, 400086512]

約数ペア:

[(1, 400086512), (2, 200043256), (4, 100021628), (7, 57155216), (8, 50010814), (14, 28577608), (16, 25005407), (28, 14288804), (56, 7144402), (112, 3572201), (197, 2030896), (394, 1015448), (788, 507724), (1379, 290128), (1576, 253862), (2758, 145064), (3152, 126931), (5516, 72532), (11032, 36266), (18133, 22064)]