8398910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 17315424

約数和(自身を除く): 8916514

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 53, 65, 106, 115, 130, 230, 265, 299, 530, 598, 689, 1219, 1378, 1495, 2438, 2809, 2990, 3445, 5618, 6095, 6890, 12190, 14045, 15847, 28090, 31694, 36517, 64607, 73034, 79235, 129214, 158470, 182585, 323035, 365170, 646070, 839891, 1679782, 4199455, 8398910]

約数ペア:

[(1, 8398910), (2, 4199455), (5, 1679782), (10, 839891), (13, 646070), (23, 365170), (26, 323035), (46, 182585), (53, 158470), (65, 129214), (106, 79235), (115, 73034), (130, 64607), (230, 36517), (265, 31694), (299, 28090), (530, 15847), (598, 14045), (689, 12190), (1219, 6890), (1378, 6095), (1495, 5618), (2438, 3445), (2809, 2990)]