7891254

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 20807280

約数和(自身を除く): 12916026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 389, 414, 441, 483, 778, 882, 966, 1127, 1167, 1449, 2254, 2334, 2723, 2898, 3381, 3501, 5446, 6762, 7002, 8169, 8947, 10143, 16338, 17894, 19061, 20286, 24507, 26841, 38122, 49014, 53682, 57183, 62629, 80523, 114366, 125258, 161046, 171549, 187887, 343098, 375774, 438403, 563661, 876806, 1127322, 1315209, 2630418, 3945627, 7891254]

約数ペア:

[(1, 7891254), (2, 3945627), (3, 2630418), (6, 1315209), (7, 1127322), (9, 876806), (14, 563661), (18, 438403), (21, 375774), (23, 343098), (42, 187887), (46, 171549), (49, 161046), (63, 125258), (69, 114366), (98, 80523), (126, 62629), (138, 57183), (147, 53682), (161, 49014), (207, 38122), (294, 26841), (322, 24507), (389, 20286), (414, 19061), (441, 17894), (483, 16338), (778, 10143), (882, 8947), (966, 8169), (1127, 7002), (1167, 6762), (1449, 5446), (2254, 3501), (2334, 3381), (2723, 2898)]