28427292

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 75007296

約数和(自身を除く): 46580004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 53, 94, 106, 141, 159, 188, 212, 282, 317, 318, 423, 477, 564, 634, 636, 846, 951, 954, 1268, 1692, 1902, 1908, 2491, 2853, 3804, 4982, 5706, 7473, 9964, 11412, 14899, 14946, 16801, 22419, 29798, 29892, 33602, 44697, 44838, 50403, 59596, 67204, 89394, 89676, 100806, 134091, 151209, 178788, 201612, 268182, 302418, 536364, 604836, 789647, 1579294, 2368941, 3158588, 4737882, 7106823, 9475764, 14213646, 28427292]

約数ペア:

[(1, 28427292), (2, 14213646), (3, 9475764), (4, 7106823), (6, 4737882), (9, 3158588), (12, 2368941), (18, 1579294), (36, 789647), (47, 604836), (53, 536364), (94, 302418), (106, 268182), (141, 201612), (159, 178788), (188, 151209), (212, 134091), (282, 100806), (317, 89676), (318, 89394), (423, 67204), (477, 59596), (564, 50403), (634, 44838), (636, 44697), (846, 33602), (951, 29892), (954, 29798), (1268, 22419), (1692, 16801), (1902, 14946), (1908, 14899), (2491, 11412), (2853, 9964), (3804, 7473), (4982, 5706)]