64217075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 92806560

約数和(自身を除く): 28589485

約数列:

[1, 5, 13, 17, 25, 59, 65, 85, 197, 221, 295, 325, 425, 767, 985, 1003, 1105, 1475, 2561, 3349, 3835, 4925, 5015, 5525, 11623, 12805, 13039, 16745, 19175, 25075, 43537, 58115, 64025, 65195, 83725, 151099, 197591, 217685, 290575, 325975, 755495, 987955, 1088425, 2568683, 3777475, 4939775, 12843415, 64217075]

約数ペア:

[(1, 64217075), (5, 12843415), (13, 4939775), (17, 3777475), (25, 2568683), (59, 1088425), (65, 987955), (85, 755495), (197, 325975), (221, 290575), (295, 217685), (325, 197591), (425, 151099), (767, 83725), (985, 65195), (1003, 64025), (1105, 58115), (1475, 43537), (2561, 25075), (3349, 19175), (3835, 16745), (4925, 13039), (5015, 12805), (5525, 11623)]