55502447

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 76713336

約数和(自身を除く): 21210889

約数列:

[1, 7, 11, 13, 49, 77, 89, 91, 143, 539, 623, 637, 979, 1001, 1157, 4361, 6853, 7007, 7921, 8099, 12727, 47971, 55447, 56693, 87131, 89089, 102973, 388129, 609917, 623623, 720811, 1132703, 4269419, 5045677, 7928921, 55502447]

約数ペア:

[(1, 55502447), (7, 7928921), (11, 5045677), (13, 4269419), (49, 1132703), (77, 720811), (89, 623623), (91, 609917), (143, 388129), (539, 102973), (623, 89089), (637, 87131), (979, 56693), (1001, 55447), (1157, 47971), (4361, 12727), (6853, 8099), (7007, 7921)]