888959890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{42473}}^1$

素因数の和:42523

約数の個数: 64

約数和(自身を含む): 2055062016

約数和(自身を除く): 1166102126

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1610, 2093, 2990, 4186, 10465, 20930, 42473, 84946, 212365, 297311, 424730, 552149, 594622, 976879, 1104298, 1486555, 1953758, 2760745, 2973110, 3865043, 4884395, 5521490, 6838153, 7730086, 9768790, 12699427, 13676306, 19325215, 25398854, 34190765, 38650430, 63497135, 68381530, 88895989, 126994270, 177791978, 444479945, 888959890]

約数ペア:

[(1, 888959890), (2, 444479945), (5, 177791978), (7, 126994270), (10, 88895989), (13, 68381530), (14, 63497135), (23, 38650430), (26, 34190765), (35, 25398854), (46, 19325215), (65, 13676306), (70, 12699427), (91, 9768790), (115, 7730086), (130, 6838153), (161, 5521490), (182, 4884395), (230, 3865043), (299, 2973110), (322, 2760745), (455, 1953758), (598, 1486555), (805, 1104298), (910, 976879), (1495, 594622), (1610, 552149), (2093, 424730), (2990, 297311), (4186, 212365), (10465, 84946), (20930, 42473)]