397738628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{15907}}^1$

素因数の和:15984

約数の個数: 48

約数和(自身を含む): 855214080

約数和(自身を除く): 457475452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 893, 1316, 1786, 3572, 6251, 12502, 15907, 25004, 31814, 63628, 111349, 222698, 302233, 445396, 604466, 747629, 1208932, 1495258, 2115631, 2990516, 4231262, 5233403, 8462524, 10466806, 14204951, 20933612, 28409902, 56819804, 99434657, 198869314, 397738628]

約数ペア:

[(1, 397738628), (2, 198869314), (4, 99434657), (7, 56819804), (14, 28409902), (19, 20933612), (28, 14204951), (38, 10466806), (47, 8462524), (76, 5233403), (94, 4231262), (133, 2990516), (188, 2115631), (266, 1495258), (329, 1208932), (532, 747629), (658, 604466), (893, 445396), (1316, 302233), (1786, 222698), (3572, 111349), (6251, 63628), (12502, 31814), (15907, 25004)]