201723730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{3989}}^1$

素因数の和:4398

約数の個数: 32

約数和(自身を含む): 392137200

約数和(自身を除く): 190413470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 3989, 5057, 7978, 10114, 19945, 25285, 39890, 50570, 51857, 103714, 259285, 518570, 1551721, 3103442, 7758605, 15517210, 20172373, 40344746, 100861865, 201723730]

約数ペア:

[(1, 201723730), (2, 100861865), (5, 40344746), (10, 20172373), (13, 15517210), (26, 7758605), (65, 3103442), (130, 1551721), (389, 518570), (778, 259285), (1945, 103714), (3890, 51857), (3989, 50570), (5057, 39890), (7978, 25285), (10114, 19945)]