217888916

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{77047}}^1$

素因数の和:77159

約数の個数: 24

約数和(自身を含む): 440098176

約数和(自身を除く): 222209260

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 77047, 154094, 308188, 539329, 1078658, 2157316, 7781747, 15563494, 31126988, 54472229, 108944458, 217888916]

約数ペア:

[(1, 217888916), (2, 108944458), (4, 54472229), (7, 31126988), (14, 15563494), (28, 7781747), (101, 2157316), (202, 1078658), (404, 539329), (707, 308188), (1414, 154094), (2828, 77047)]