620913601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{967}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 802897920

約数和(自身を除く): 181984319

約数列:

[1, 7, 11, 31, 77, 217, 269, 341, 967, 1883, 2387, 2959, 6769, 8339, 10637, 20713, 29977, 58373, 74459, 91729, 209839, 260123, 329747, 642103, 1820861, 2308229, 2861353, 8063813, 20029471, 56446691, 88701943, 620913601]

約数ペア:

[(1, 620913601), (7, 88701943), (11, 56446691), (31, 20029471), (77, 8063813), (217, 2861353), (269, 2308229), (341, 1820861), (967, 642103), (1883, 329747), (2387, 260123), (2959, 209839), (6769, 91729), (8339, 74459), (10637, 58373), (20713, 29977)]