398332948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7607}}^1$

素因数の和:7696

約数の個数: 48

約数和(自身を含む): 805230720

約数和(自身を除く): 406897772

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 494, 689, 988, 1007, 1378, 2014, 2756, 4028, 7607, 13091, 15214, 26182, 30428, 52364, 98891, 144533, 197782, 289066, 395564, 403171, 578132, 806342, 1612684, 1878929, 3757858, 5241223, 7515716, 7660249, 10482446, 15320498, 20964892, 30640996, 99583237, 199166474, 398332948]

約数ペア:

[(1, 398332948), (2, 199166474), (4, 99583237), (13, 30640996), (19, 20964892), (26, 15320498), (38, 10482446), (52, 7660249), (53, 7515716), (76, 5241223), (106, 3757858), (212, 1878929), (247, 1612684), (494, 806342), (689, 578132), (988, 403171), (1007, 395564), (1378, 289066), (2014, 197782), (2756, 144533), (4028, 98891), (7607, 52364), (13091, 30428), (15214, 26182)]