243986990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6333

約数の個数: 48

約数和(自身を含む): 496313568

約数和(自身を除く): 252326578

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 598, 845, 1495, 1690, 2990, 3887, 6277, 7774, 12554, 19435, 31385, 38870, 62770, 81601, 144371, 163202, 288742, 408005, 721855, 816010, 1060813, 1443710, 1876823, 2121626, 3753646, 5304065, 9384115, 10608130, 18768230, 24398699, 48797398, 121993495, 243986990]

約数ペア:

[(1, 243986990), (2, 121993495), (5, 48797398), (10, 24398699), (13, 18768230), (23, 10608130), (26, 9384115), (46, 5304065), (65, 3753646), (115, 2121626), (130, 1876823), (169, 1443710), (230, 1060813), (299, 816010), (338, 721855), (598, 408005), (845, 288742), (1495, 163202), (1690, 144371), (2990, 81601), (3887, 62770), (6277, 38870), (7774, 31385), (12554, 19435)]