12987065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 21482496

約数和(自身を除く): 8495431

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 73, 85, 91, 115, 119, 161, 221, 299, 365, 391, 455, 511, 595, 805, 949, 1105, 1241, 1495, 1547, 1679, 1955, 2093, 2555, 2737, 4745, 5083, 6205, 6643, 7735, 8395, 8687, 10465, 11753, 13685, 16133, 21827, 25415, 28543, 33215, 35581, 43435, 58765, 80665, 109135, 112931, 142715, 152789, 177905, 199801, 371059, 564655, 763945, 999005, 1855295, 2597413, 12987065]

約数ペア:

[(1, 12987065), (5, 2597413), (7, 1855295), (13, 999005), (17, 763945), (23, 564655), (35, 371059), (65, 199801), (73, 177905), (85, 152789), (91, 142715), (115, 112931), (119, 109135), (161, 80665), (221, 58765), (299, 43435), (365, 35581), (391, 33215), (455, 28543), (511, 25415), (595, 21827), (805, 16133), (949, 13685), (1105, 11753), (1241, 10465), (1495, 8687), (1547, 8395), (1679, 7735), (1955, 6643), (2093, 6205), (2555, 5083), (2737, 4745)]