7512505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 12902400

約数和(自身を除く): 5389895

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 79, 91, 95, 133, 143, 209, 247, 385, 395, 455, 553, 665, 715, 869, 1001, 1027, 1045, 1235, 1463, 1501, 1729, 2717, 2765, 4345, 5005, 5135, 6083, 7189, 7315, 7505, 8645, 10507, 11297, 13585, 16511, 19019, 19513, 30415, 35945, 52535, 56485, 79079, 82555, 95095, 97565, 115577, 136591, 214643, 395395, 577885, 682955, 1073215, 1502501, 7512505]

約数ペア:

[(1, 7512505), (5, 1502501), (7, 1073215), (11, 682955), (13, 577885), (19, 395395), (35, 214643), (55, 136591), (65, 115577), (77, 97565), (79, 95095), (91, 82555), (95, 79079), (133, 56485), (143, 52535), (209, 35945), (247, 30415), (385, 19513), (395, 19019), (455, 16511), (553, 13585), (665, 11297), (715, 10507), (869, 8645), (1001, 7505), (1027, 7315), (1045, 7189), (1235, 6083), (1463, 5135), (1501, 5005), (1729, 4345), (2717, 2765)]