998298

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 2688000

約数和(自身を除く): 1689702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 139, 171, 189, 266, 278, 342, 378, 399, 417, 513, 798, 834, 973, 1026, 1197, 1251, 1946, 2394, 2502, 2641, 2919, 3591, 3753, 5282, 5838, 7182, 7506, 7923, 8757, 15846, 17514, 18487, 23769, 26271, 36974, 47538, 52542, 55461, 71307, 110922, 142614, 166383, 332766, 499149, 998298]

約数ペア:

[(1, 998298), (2, 499149), (3, 332766), (6, 166383), (7, 142614), (9, 110922), (14, 71307), (18, 55461), (19, 52542), (21, 47538), (27, 36974), (38, 26271), (42, 23769), (54, 18487), (57, 17514), (63, 15846), (114, 8757), (126, 7923), (133, 7506), (139, 7182), (171, 5838), (189, 5282), (266, 3753), (278, 3591), (342, 2919), (378, 2641), (399, 2502), (417, 2394), (513, 1946), (798, 1251), (834, 1197), (973, 1026)]