781956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 2358720

約数和(自身を除く): 1576764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 107, 116, 126, 174, 203, 214, 252, 261, 321, 348, 406, 428, 522, 609, 642, 749, 812, 963, 1044, 1218, 1284, 1498, 1827, 1926, 2247, 2436, 2996, 3103, 3654, 3852, 4494, 6206, 6741, 7308, 8988, 9309, 12412, 13482, 18618, 21721, 26964, 27927, 37236, 43442, 55854, 65163, 86884, 111708, 130326, 195489, 260652, 390978, 781956]

約数ペア:

[(1, 781956), (2, 390978), (3, 260652), (4, 195489), (6, 130326), (7, 111708), (9, 86884), (12, 65163), (14, 55854), (18, 43442), (21, 37236), (28, 27927), (29, 26964), (36, 21721), (42, 18618), (58, 13482), (63, 12412), (84, 9309), (87, 8988), (107, 7308), (116, 6741), (126, 6206), (174, 4494), (203, 3852), (214, 3654), (252, 3103), (261, 2996), (321, 2436), (348, 2247), (406, 1926), (428, 1827), (522, 1498), (609, 1284), (642, 1218), (749, 1044), (812, 963)]