51613758

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 72

約数和(自身を含む): 131334840

約数和(自身を除く): 79721082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 421, 441, 834, 842, 882, 973, 1251, 1263, 1946, 2502, 2526, 2919, 2947, 3789, 5838, 5894, 6811, 7578, 8757, 8841, 13622, 17514, 17682, 20433, 20629, 26523, 40866, 41258, 53046, 58519, 61299, 61887, 117038, 122598, 123774, 175557, 185661, 351114, 371322, 409633, 526671, 819266, 1053342, 1228899, 2457798, 2867431, 3686697, 5734862, 7373394, 8602293, 17204586, 25806879, 51613758]

約数ペア:

[(1, 51613758), (2, 25806879), (3, 17204586), (6, 8602293), (7, 7373394), (9, 5734862), (14, 3686697), (18, 2867431), (21, 2457798), (42, 1228899), (49, 1053342), (63, 819266), (98, 526671), (126, 409633), (139, 371322), (147, 351114), (278, 185661), (294, 175557), (417, 123774), (421, 122598), (441, 117038), (834, 61887), (842, 61299), (882, 58519), (973, 53046), (1251, 41258), (1263, 40866), (1946, 26523), (2502, 20629), (2526, 20433), (2919, 17682), (2947, 17514), (3789, 13622), (5838, 8841), (5894, 8757), (6811, 7578)]