11921031890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{3491}}^1$

素因数の和:3947

約数の個数: 64

約数和(自身を含む): 23216492160

約数和(自身を除く): 11295460270

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 379, 530, 758, 901, 1802, 1895, 3491, 3790, 4505, 6443, 6982, 9010, 12886, 17455, 20087, 32215, 34910, 40174, 59347, 64430, 100435, 118694, 185023, 200870, 296735, 341479, 370046, 593470, 682958, 925115, 1323089, 1707395, 1850230, 2646178, 3145391, 3414790, 6290782, 6615445, 13230890, 15726955, 22492513, 31453910, 44985026, 70123717, 112462565, 140247434, 224925130, 350618585, 701237170, 1192103189, 2384206378, 5960515945, 11921031890]

約数ペア:

[(1, 11921031890), (2, 5960515945), (5, 2384206378), (10, 1192103189), (17, 701237170), (34, 350618585), (53, 224925130), (85, 140247434), (106, 112462565), (170, 70123717), (265, 44985026), (379, 31453910), (530, 22492513), (758, 15726955), (901, 13230890), (1802, 6615445), (1895, 6290782), (3491, 3414790), (3790, 3145391), (4505, 2646178), (6443, 1850230), (6982, 1707395), (9010, 1323089), (12886, 925115), (17455, 682958), (20087, 593470), (32215, 370046), (34910, 341479), (40174, 296735), (59347, 200870), (64430, 185023), (100435, 118694)]