1285754876

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{1129}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 2608401600

約数和(自身を除く): 1322646724

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 457, 623, 914, 1129, 1246, 1828, 2258, 2492, 3199, 4516, 6398, 7903, 12796, 15806, 31612, 40673, 81346, 100481, 162692, 200962, 284711, 401924, 515953, 569422, 703367, 1031906, 1138844, 1406734, 2063812, 2813468, 3611671, 7223342, 14446684, 45919817, 91839634, 183679268, 321438719, 642877438, 1285754876]

約数ペア:

[(1, 1285754876), (2, 642877438), (4, 321438719), (7, 183679268), (14, 91839634), (28, 45919817), (89, 14446684), (178, 7223342), (356, 3611671), (457, 2813468), (623, 2063812), (914, 1406734), (1129, 1138844), (1246, 1031906), (1828, 703367), (2258, 569422), (2492, 515953), (3199, 401924), (4516, 284711), (6398, 200962), (7903, 162692), (12796, 100481), (15806, 81346), (31612, 40673)]