389272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 831600

約数和(自身を除く): 442328

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 197, 247, 394, 494, 788, 988, 1576, 1976, 2561, 3743, 5122, 7486, 10244, 14972, 20488, 29944, 48659, 97318, 194636, 389272]

約数ペア:

[(1, 389272), (2, 194636), (4, 97318), (8, 48659), (13, 29944), (19, 20488), (26, 14972), (38, 10244), (52, 7486), (76, 5122), (104, 3743), (152, 2561), (197, 1976), (247, 1576), (394, 988), (494, 788)]