78409525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 106697412

約数和(自身を除く): 28287887

約数列:

[1, 5, 17, 25, 53, 59, 85, 265, 295, 425, 901, 1003, 1325, 1475, 3127, 3481, 4505, 5015, 15635, 17405, 22525, 25075, 53159, 59177, 78175, 87025, 184493, 265795, 295885, 922465, 1328975, 1479425, 3136381, 4612325, 15681905, 78409525]

約数ペア:

[(1, 78409525), (5, 15681905), (17, 4612325), (25, 3136381), (53, 1479425), (59, 1328975), (85, 922465), (265, 295885), (295, 265795), (425, 184493), (901, 87025), (1003, 78175), (1325, 59177), (1475, 53159), (3127, 25075), (3481, 22525), (4505, 17405), (5015, 15635)]