13690355

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 21422880

約数和(自身を除く): 7732525

約数列:

[1, 5, 7, 17, 19, 35, 49, 85, 95, 119, 133, 173, 245, 323, 595, 665, 833, 865, 931, 1211, 1615, 2261, 2941, 3287, 4165, 4655, 6055, 8477, 11305, 14705, 15827, 16435, 20587, 23009, 42385, 55879, 79135, 102935, 115045, 144109, 161063, 279395, 391153, 720545, 805315, 1955765, 2738071, 13690355]

約数ペア:

[(1, 13690355), (5, 2738071), (7, 1955765), (17, 805315), (19, 720545), (35, 391153), (49, 279395), (85, 161063), (95, 144109), (119, 115045), (133, 102935), (173, 79135), (245, 55879), (323, 42385), (595, 23009), (665, 20587), (833, 16435), (865, 15827), (931, 14705), (1211, 11305), (1615, 8477), (2261, 6055), (2941, 4655), (3287, 4165)]