398375328

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{319211}}^1$

素因数の和:319237

約数の個数: 48

約数和(自身を含む): 1126179936

約数和(自身を除く): 727804608

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, 319211, 638422, 957633, 1276844, 1915266, 2553688, 3830532, 4149743, 5107376, 7661064, 8299486, 10214752, 12449229, 15322128, 16598972, 24898458, 30644256, 33197944, 49796916, 66395888, 99593832, 132791776, 199187664, 398375328]

約数ペア:

[(1, 398375328), (2, 199187664), (3, 132791776), (4, 99593832), (6, 66395888), (8, 49796916), (12, 33197944), (13, 30644256), (16, 24898458), (24, 16598972), (26, 15322128), (32, 12449229), (39, 10214752), (48, 8299486), (52, 7661064), (78, 5107376), (96, 4149743), (104, 3830532), (156, 2553688), (208, 1915266), (312, 1276844), (416, 957633), (624, 638422), (1248, 319211)]