1290872726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 2327657472

約数和(自身を除く): 1036784746

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 151, 286, 302, 421, 781, 842, 923, 1562, 1661, 1846, 1963, 3322, 3926, 4631, 5473, 9262, 10153, 10721, 10946, 20306, 21442, 21593, 29891, 43186, 59782, 60203, 63571, 117931, 120406, 127142, 139373, 235862, 278746, 328801, 388583, 657602, 699281, 777166, 826423, 1398562, 1533103, 1652846, 3066206, 4274413, 4513541, 8548826, 9027082, 9090653, 18181306, 49648951, 58676033, 99297902, 117352066, 645436363, 1290872726]

約数ペア:

[(1, 1290872726), (2, 645436363), (11, 117352066), (13, 99297902), (22, 58676033), (26, 49648951), (71, 18181306), (142, 9090653), (143, 9027082), (151, 8548826), (286, 4513541), (302, 4274413), (421, 3066206), (781, 1652846), (842, 1533103), (923, 1398562), (1562, 826423), (1661, 777166), (1846, 699281), (1963, 657602), (3322, 388583), (3926, 328801), (4631, 278746), (5473, 235862), (9262, 139373), (10153, 127142), (10721, 120406), (10946, 117931), (20306, 63571), (21442, 60203), (21593, 59782), (29891, 43186)]