198291275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 309813504

約数和(自身を除く): 111522229

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 1075, 1505, 2027, 2275, 2795, 3913, 7525, 10135, 13975, 14189, 19565, 26351, 50675, 70945, 87161, 97825, 131755, 184457, 354725, 435805, 610127, 658775, 922285, 1133093, 2179025, 3050635, 4611425, 5665465, 7931651, 15253175, 28327325, 39658255, 198291275]

約数ペア:

[(1, 198291275), (5, 39658255), (7, 28327325), (13, 15253175), (25, 7931651), (35, 5665465), (43, 4611425), (65, 3050635), (91, 2179025), (175, 1133093), (215, 922285), (301, 658775), (325, 610127), (455, 435805), (559, 354725), (1075, 184457), (1505, 131755), (2027, 97825), (2275, 87161), (2795, 70945), (3913, 50675), (7525, 26351), (10135, 19565), (13975, 14189)]