68821956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3457}}^1$

素因数の和:3553

約数の個数: 72

約数和(自身を含む): 201393920

約数和(自身を除く): 132571964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 3457, 4977, 6636, 6914, 9954, 10371, 13828, 19908, 20742, 24199, 31113, 41484, 48398, 62226, 72597, 96796, 124452, 145194, 217791, 273103, 290388, 435582, 546206, 819309, 871164, 1092412, 1638618, 1911721, 2457927, 3277236, 3823442, 4915854, 5735163, 7646884, 9831708, 11470326, 17205489, 22940652, 34410978, 68821956]

約数ペア:

[(1, 68821956), (2, 34410978), (3, 22940652), (4, 17205489), (6, 11470326), (7, 9831708), (9, 7646884), (12, 5735163), (14, 4915854), (18, 3823442), (21, 3277236), (28, 2457927), (36, 1911721), (42, 1638618), (63, 1092412), (79, 871164), (84, 819309), (126, 546206), (158, 435582), (237, 290388), (252, 273103), (316, 217791), (474, 145194), (553, 124452), (711, 96796), (948, 72597), (1106, 62226), (1422, 48398), (1659, 41484), (2212, 31113), (2844, 24199), (3318, 20742), (3457, 19908), (4977, 13828), (6636, 10371), (6914, 9954)]