1557088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 3492720

約数和(自身を除く): 1935632

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 197, 208, 247, 304, 394, 416, 494, 608, 788, 988, 1576, 1976, 2561, 3152, 3743, 3952, 5122, 6304, 7486, 7904, 10244, 14972, 20488, 29944, 40976, 48659, 59888, 81952, 97318, 119776, 194636, 389272, 778544, 1557088]

約数ペア:

[(1, 1557088), (2, 778544), (4, 389272), (8, 194636), (13, 119776), (16, 97318), (19, 81952), (26, 59888), (32, 48659), (38, 40976), (52, 29944), (76, 20488), (104, 14972), (152, 10244), (197, 7904), (208, 7486), (247, 6304), (304, 5122), (394, 3952), (416, 3743), (494, 3152), (608, 2561), (788, 1976), (988, 1576)]