551444270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{69539}}^1$

素因数の和:69620

約数の個数: 32

約数和(自身を含む): 1086492960

約数和(自身を除く): 535048690

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 69539, 139078, 347695, 695390, 904007, 1808014, 4241879, 4520035, 8483758, 9040070, 21209395, 42418790, 55144427, 110288854, 275722135, 551444270]

約数ペア:

[(1, 551444270), (2, 275722135), (5, 110288854), (10, 55144427), (13, 42418790), (26, 21209395), (61, 9040070), (65, 8483758), (122, 4520035), (130, 4241879), (305, 1808014), (610, 904007), (793, 695390), (1586, 347695), (3965, 139078), (7930, 69539)]