12901525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 7347179

約数列:

[1, 5, 7, 13, 25, 35, 53, 65, 91, 107, 175, 265, 325, 371, 455, 535, 689, 749, 1325, 1391, 1855, 2275, 2675, 3445, 3745, 4823, 5671, 6955, 9275, 9737, 17225, 18725, 24115, 28355, 34775, 39697, 48685, 73723, 120575, 141775, 198485, 243425, 368615, 516061, 992425, 1843075, 2580305, 12901525]

約数ペア:

[(1, 12901525), (5, 2580305), (7, 1843075), (13, 992425), (25, 516061), (35, 368615), (53, 243425), (65, 198485), (91, 141775), (107, 120575), (175, 73723), (265, 48685), (325, 39697), (371, 34775), (455, 28355), (535, 24115), (689, 18725), (749, 17225), (1325, 9737), (1391, 9275), (1855, 6955), (2275, 5671), (2675, 4823), (3445, 3745)]