389997426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13477}}^1$

素因数の和:13555

約数の個数: 64

約数和(自身を含む): 978179328

約数和(自身を除く): 588181902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 13477, 14469, 26954, 28938, 40431, 80862, 94339, 175201, 188678, 283017, 350402, 525603, 566034, 714281, 1051206, 1226407, 1428562, 2142843, 2452814, 3679221, 4285686, 4999967, 7358442, 9285653, 9999934, 14999901, 18571306, 27856959, 29999802, 55713918, 64999571, 129999142, 194998713, 389997426]

約数ペア:

[(1, 389997426), (2, 194998713), (3, 129999142), (6, 64999571), (7, 55713918), (13, 29999802), (14, 27856959), (21, 18571306), (26, 14999901), (39, 9999934), (42, 9285653), (53, 7358442), (78, 4999967), (91, 4285686), (106, 3679221), (159, 2452814), (182, 2142843), (273, 1428562), (318, 1226407), (371, 1051206), (546, 714281), (689, 566034), (742, 525603), (1113, 350402), (1378, 283017), (2067, 188678), (2226, 175201), (4134, 94339), (4823, 80862), (9646, 40431), (13477, 28938), (14469, 26954)]