210331394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 404393472

約数和(自身を除く): 194062078

約数列:

[1, 2, 7, 13, 14, 26, 41, 71, 82, 91, 142, 182, 287, 397, 497, 533, 574, 794, 923, 994, 1066, 1846, 2779, 2911, 3731, 5161, 5558, 5822, 6461, 7462, 10322, 12922, 16277, 20377, 28187, 32554, 36127, 37843, 40754, 56374, 72254, 75686, 113939, 197309, 211601, 227878, 264901, 366431, 394618, 423202, 529802, 732862, 1155667, 1481207, 2311334, 2565017, 2962414, 5130034, 8089669, 15023671, 16179338, 30047342, 105165697, 210331394]

約数ペア:

[(1, 210331394), (2, 105165697), (7, 30047342), (13, 16179338), (14, 15023671), (26, 8089669), (41, 5130034), (71, 2962414), (82, 2565017), (91, 2311334), (142, 1481207), (182, 1155667), (287, 732862), (397, 529802), (497, 423202), (533, 394618), (574, 366431), (794, 264901), (923, 227878), (994, 211601), (1066, 197309), (1846, 113939), (2779, 75686), (2911, 72254), (3731, 56374), (5161, 40754), (5558, 37843), (5822, 36127), (6461, 32554), (7462, 28187), (10322, 20377), (12922, 16277)]