211965215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5051}}^1$

素因数の和:5183

約数の個数: 32

約数和(自身を含む): 320094720

約数和(自身を除く): 108129505

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 385, 545, 763, 1199, 3815, 5051, 5995, 8393, 25255, 35357, 41965, 55561, 176785, 277805, 388927, 550559, 1944635, 2752795, 3853913, 6056149, 19269565, 30280745, 42393043, 211965215]

約数ペア:

[(1, 211965215), (5, 42393043), (7, 30280745), (11, 19269565), (35, 6056149), (55, 3853913), (77, 2752795), (109, 1944635), (385, 550559), (545, 388927), (763, 277805), (1199, 176785), (3815, 55561), (5051, 41965), (5995, 35357), (8393, 25255)]