642471228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{23827}}^1$

素因数の和:23951

約数の個数: 72

約数和(自身を含む): 1873452672

約数和(自身を除く): 1230981444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 963, 1284, 1498, 1926, 2247, 2996, 3852, 4494, 6741, 8988, 13482, 23827, 26964, 47654, 71481, 95308, 142962, 166789, 214443, 285924, 333578, 428886, 500367, 667156, 857772, 1000734, 1501101, 2001468, 2549489, 3002202, 5098978, 6004404, 7648467, 10197956, 15296934, 17846423, 22945401, 30593868, 35692846, 45890802, 53539269, 71385692, 91781604, 107078538, 160617807, 214157076, 321235614, 642471228]

約数ペア:

[(1, 642471228), (2, 321235614), (3, 214157076), (4, 160617807), (6, 107078538), (7, 91781604), (9, 71385692), (12, 53539269), (14, 45890802), (18, 35692846), (21, 30593868), (28, 22945401), (36, 17846423), (42, 15296934), (63, 10197956), (84, 7648467), (107, 6004404), (126, 5098978), (214, 3002202), (252, 2549489), (321, 2001468), (428, 1501101), (642, 1000734), (749, 857772), (963, 667156), (1284, 500367), (1498, 428886), (1926, 333578), (2247, 285924), (2996, 214443), (3852, 166789), (4494, 142962), (6741, 95308), (8988, 71481), (13482, 47654), (23827, 26964)]