1640351229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 2536089600

約数和(自身を除く): 895738371

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 157, 199, 407, 471, 473, 597, 1221, 1419, 1591, 1727, 2189, 4773, 5181, 5809, 6567, 6751, 7363, 8557, 17427, 17501, 20253, 22089, 25671, 31243, 52503, 63899, 74261, 80993, 93729, 94127, 191697, 222783, 242979, 249787, 282381, 316609, 343673, 749361, 949827, 1031019, 1155991, 1343449, 2747657, 3467973, 3482699, 4030347, 8242971, 10448097, 12715901, 14777939, 38147703, 44333817, 49707613, 149122839, 546783743, 1640351229]

約数ペア:

[(1, 1640351229), (3, 546783743), (11, 149122839), (33, 49707613), (37, 44333817), (43, 38147703), (111, 14777939), (129, 12715901), (157, 10448097), (199, 8242971), (407, 4030347), (471, 3482699), (473, 3467973), (597, 2747657), (1221, 1343449), (1419, 1155991), (1591, 1031019), (1727, 949827), (2189, 749361), (4773, 343673), (5181, 316609), (5809, 282381), (6567, 249787), (6751, 242979), (7363, 222783), (8557, 191697), (17427, 94127), (17501, 93729), (20253, 80993), (22089, 74261), (25671, 63899), (31243, 52503)]