669556972

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 1415715840

約数和(自身を除く): 746158868

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 263, 419, 434, 526, 838, 868, 1052, 1519, 1676, 1841, 2933, 3038, 3682, 5866, 6076, 7364, 8153, 11732, 12887, 12989, 16306, 20531, 25774, 25978, 32612, 41062, 51548, 51956, 57071, 82124, 90923, 110197, 114142, 181846, 220394, 228284, 363692, 399497, 440788, 636461, 771379, 798994, 1272922, 1542758, 1597988, 2545844, 3085516, 3416107, 5399653, 6832214, 10799306, 13664428, 21598612, 23912749, 47825498, 95650996, 167389243, 334778486, 669556972]

約数ペア:

[(1, 669556972), (2, 334778486), (4, 167389243), (7, 95650996), (14, 47825498), (28, 23912749), (31, 21598612), (49, 13664428), (62, 10799306), (98, 6832214), (124, 5399653), (196, 3416107), (217, 3085516), (263, 2545844), (419, 1597988), (434, 1542758), (526, 1272922), (838, 798994), (868, 771379), (1052, 636461), (1519, 440788), (1676, 399497), (1841, 363692), (2933, 228284), (3038, 220394), (3682, 181846), (5866, 114142), (6076, 110197), (7364, 90923), (8153, 82124), (11732, 57071), (12887, 51956), (12989, 51548), (16306, 41062), (20531, 32612), (25774, 25978)]