51666804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 149921408

約数和(自身を除く): 98254604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 487, 842, 974, 1263, 1461, 1684, 1948, 2526, 2922, 2947, 3409, 3789, 4383, 5052, 5844, 5894, 6818, 7578, 8766, 8841, 10227, 11788, 13636, 15156, 17532, 17682, 20454, 26523, 30681, 35364, 40908, 53046, 61362, 106092, 122724, 205027, 410054, 615081, 820108, 1230162, 1435189, 1845243, 2460324, 2870378, 3690486, 4305567, 5740756, 7380972, 8611134, 12916701, 17222268, 25833402, 51666804]

約数ペア:

[(1, 51666804), (2, 25833402), (3, 17222268), (4, 12916701), (6, 8611134), (7, 7380972), (9, 5740756), (12, 4305567), (14, 3690486), (18, 2870378), (21, 2460324), (28, 1845243), (36, 1435189), (42, 1230162), (63, 820108), (84, 615081), (126, 410054), (252, 205027), (421, 122724), (487, 106092), (842, 61362), (974, 53046), (1263, 40908), (1461, 35364), (1684, 30681), (1948, 26523), (2526, 20454), (2922, 17682), (2947, 17532), (3409, 15156), (3789, 13636), (4383, 11788), (5052, 10227), (5844, 8841), (5894, 8766), (6818, 7578)]