690851196

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{391639}}^1$

素因数の和:391663

約数の個数: 54

約数和(自身を含む): 2031436680

約数和(自身を除く): 1340585484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 391639, 783278, 1174917, 1566556, 2349834, 2741473, 3524751, 4699668, 5482946, 7049502, 8224419, 10965892, 14099004, 16448838, 19190311, 24673257, 32897676, 38380622, 49346514, 57570933, 76761244, 98693028, 115141866, 172712799, 230283732, 345425598, 690851196]

約数ペア:

[(1, 690851196), (2, 345425598), (3, 230283732), (4, 172712799), (6, 115141866), (7, 98693028), (9, 76761244), (12, 57570933), (14, 49346514), (18, 38380622), (21, 32897676), (28, 24673257), (36, 19190311), (42, 16448838), (49, 14099004), (63, 10965892), (84, 8224419), (98, 7049502), (126, 5482946), (147, 4699668), (196, 3524751), (252, 2741473), (294, 2349834), (441, 1566556), (588, 1174917), (882, 783278), (1764, 391639)]