225454537

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 300478464

約数和(自身を除く): 75023927

約数列:

[1, 7, 11, 31, 49, 77, 103, 131, 217, 341, 539, 721, 917, 1133, 1441, 1519, 2387, 3193, 4061, 5047, 6419, 7931, 10087, 13493, 16709, 22351, 28427, 35123, 44671, 55517, 70609, 94451, 148423, 156457, 198989, 245861, 312697, 418283, 661157, 1038961, 1721027, 2188879, 2927981, 4601113, 7272727, 20495867, 32207791, 225454537]

約数ペア:

[(1, 225454537), (7, 32207791), (11, 20495867), (31, 7272727), (49, 4601113), (77, 2927981), (103, 2188879), (131, 1721027), (217, 1038961), (341, 661157), (539, 418283), (721, 312697), (917, 245861), (1133, 198989), (1441, 156457), (1519, 148423), (2387, 94451), (3193, 70609), (4061, 55517), (5047, 44671), (6419, 35123), (7931, 28427), (10087, 22351), (13493, 16709)]