28212408

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 91699200

約数和(自身を除く): 63486792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 47, 54, 56, 63, 72, 84, 94, 108, 126, 141, 168, 188, 189, 216, 252, 282, 329, 376, 378, 397, 423, 504, 564, 658, 756, 794, 846, 987, 1128, 1191, 1269, 1316, 1512, 1588, 1692, 1974, 2382, 2538, 2632, 2779, 2961, 3176, 3384, 3573, 3948, 4764, 5076, 5558, 5922, 7146, 7896, 8337, 8883, 9528, 10152, 10719, 11116, 11844, 14292, 16674, 17766, 18659, 21438, 22232, 23688, 25011, 28584, 33348, 35532, 37318, 42876, 50022, 55977, 66696, 71064, 74636, 75033, 85752, 100044, 111954, 130613, 149272, 150066, 167931, 200088, 223908, 261226, 300132, 335862, 391839, 447816, 503793, 522452, 600264, 671724, 783678, 1007586, 1044904, 1175517, 1343448, 1567356, 2015172, 2351034, 3134712, 3526551, 4030344, 4702068, 7053102, 9404136, 14106204, 28212408]

約数ペア:

[(1, 28212408), (2, 14106204), (3, 9404136), (4, 7053102), (6, 4702068), (7, 4030344), (8, 3526551), (9, 3134712), (12, 2351034), (14, 2015172), (18, 1567356), (21, 1343448), (24, 1175517), (27, 1044904), (28, 1007586), (36, 783678), (42, 671724), (47, 600264), (54, 522452), (56, 503793), (63, 447816), (72, 391839), (84, 335862), (94, 300132), (108, 261226), (126, 223908), (141, 200088), (168, 167931), (188, 150066), (189, 149272), (216, 130613), (252, 111954), (282, 100044), (329, 85752), (376, 75033), (378, 74636), (397, 71064), (423, 66696), (504, 55977), (564, 50022), (658, 42876), (756, 37318), (794, 35532), (846, 33348), (987, 28584), (1128, 25011), (1191, 23688), (1269, 22232), (1316, 21438), (1512, 18659), (1588, 17766), (1692, 16674), (1974, 14292), (2382, 11844), (2538, 11116), (2632, 10719), (2779, 10152), (2961, 9528), (3176, 8883), (3384, 8337), (3573, 7896), (3948, 7146), (4764, 5922), (5076, 5558)]