28585375

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 16230305

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 175, 245, 325, 359, 455, 637, 875, 1225, 1625, 1795, 2275, 2513, 3185, 4667, 6125, 8975, 11375, 12565, 15925, 17591, 23335, 32669, 44875, 62825, 79625, 87955, 116675, 163345, 228683, 314125, 439775, 583375, 816725, 1143415, 2198875, 4083625, 5717075, 28585375]

約数ペア:

[(1, 28585375), (5, 5717075), (7, 4083625), (13, 2198875), (25, 1143415), (35, 816725), (49, 583375), (65, 439775), (91, 314125), (125, 228683), (175, 163345), (245, 116675), (325, 87955), (359, 79625), (455, 62825), (637, 44875), (875, 32669), (1225, 23335), (1625, 17591), (1795, 15925), (2275, 12565), (2513, 11375), (3185, 8975), (4667, 6125)]