491975328

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{394211}}^1$

素因数の和:394237

約数の個数: 48

約数和(自身を含む): 1390779936

約数和(自身を除く): 898804608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 394211, 788422, 1182633, 1576844, 2365266, 3153688, 4730532, 5124743, 6307376, 9461064, 10249486, 12614752, 15374229, 18922128, 20498972, 30748458, 37844256, 40997944, 61496916, 81995888, 122993832, 163991776, 245987664, 491975328]

約数ペア:

[(1, 491975328), (2, 245987664), (3, 163991776), (4, 122993832), (6, 81995888), (8, 61496916), (12, 40997944), (13, 37844256), (16, 30748458), (24, 20498972), (26, 18922128), (32, 15374229), (39, 12614752), (48, 10249486), (52, 9461064), (78, 6307376), (96, 5124743), (104, 4730532), (156, 3153688), (208, 2365266), (312, 1576844), (416, 1182633), (624, 788422), (1248, 394211)]