638585556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{479}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 1741824000

約数和(自身を除く): 1103238444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 269, 354, 413, 479, 538, 708, 807, 826, 958, 1076, 1239, 1437, 1614, 1652, 1883, 1916, 2478, 2874, 3228, 3353, 3766, 4956, 5649, 5748, 6706, 7532, 10059, 11298, 13412, 15871, 20118, 22596, 28261, 31742, 40236, 47613, 56522, 63484, 84783, 95226, 111097, 113044, 128851, 169566, 190452, 197827, 222194, 257702, 333291, 339132, 386553, 395654, 444388, 515404, 593481, 666582, 773106, 791308, 901957, 1186962, 1333164, 1546212, 1803914, 2373924, 2705871, 3607828, 5411742, 7602209, 10823484, 15204418, 22806627, 30408836, 45613254, 53215463, 91226508, 106430926, 159646389, 212861852, 319292778, 638585556]

約数ペア:

[(1, 638585556), (2, 319292778), (3, 212861852), (4, 159646389), (6, 106430926), (7, 91226508), (12, 53215463), (14, 45613254), (21, 30408836), (28, 22806627), (42, 15204418), (59, 10823484), (84, 7602209), (118, 5411742), (177, 3607828), (236, 2705871), (269, 2373924), (354, 1803914), (413, 1546212), (479, 1333164), (538, 1186962), (708, 901957), (807, 791308), (826, 773106), (958, 666582), (1076, 593481), (1239, 515404), (1437, 444388), (1614, 395654), (1652, 386553), (1883, 339132), (1916, 333291), (2478, 257702), (2874, 222194), (3228, 197827), (3353, 190452), (3766, 169566), (4956, 128851), (5649, 113044), (5748, 111097), (6706, 95226), (7532, 84783), (10059, 63484), (11298, 56522), (13412, 47613), (15871, 40236), (20118, 31742), (22596, 28261)]