81690648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2447}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 222082560

約数和(自身を除く): 140391912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 107, 156, 214, 312, 321, 428, 642, 856, 1284, 1391, 2447, 2568, 2782, 4173, 4894, 5564, 7341, 8346, 9788, 11128, 14682, 16692, 19576, 29364, 31811, 33384, 58728, 63622, 95433, 127244, 190866, 254488, 261829, 381732, 523658, 763464, 785487, 1047316, 1570974, 2094632, 3141948, 3403777, 6283896, 6807554, 10211331, 13615108, 20422662, 27230216, 40845324, 81690648]

約数ペア:

[(1, 81690648), (2, 40845324), (3, 27230216), (4, 20422662), (6, 13615108), (8, 10211331), (12, 6807554), (13, 6283896), (24, 3403777), (26, 3141948), (39, 2094632), (52, 1570974), (78, 1047316), (104, 785487), (107, 763464), (156, 523658), (214, 381732), (312, 261829), (321, 254488), (428, 190866), (642, 127244), (856, 95433), (1284, 63622), (1391, 58728), (2447, 33384), (2568, 31811), (2782, 29364), (4173, 19576), (4894, 16692), (5564, 14682), (7341, 11128), (8346, 9788)]