388293614

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{997}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 632572320

約数和(自身を除く): 244278706

約数列:

[1, 2, 19, 37, 38, 74, 277, 554, 703, 997, 1406, 1994, 5263, 10249, 10526, 18943, 20498, 36889, 37886, 73778, 194731, 276169, 389462, 552338, 700891, 1401782, 5247211, 10218253, 10494422, 20436506, 194146807, 388293614]

約数ペア:

[(1, 388293614), (2, 194146807), (19, 20436506), (37, 10494422), (38, 10218253), (74, 5247211), (277, 1401782), (554, 700891), (703, 552338), (997, 389462), (1406, 276169), (1994, 194731), (5263, 73778), (10249, 37886), (10526, 36889), (18943, 20498)]