164386175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 229485312

約数和(自身を除く): 65099137

約数列:

[1, 5, 17, 23, 25, 67, 85, 115, 251, 335, 391, 425, 575, 1139, 1255, 1541, 1675, 1955, 4267, 5695, 5773, 6275, 7705, 9775, 16817, 21335, 26197, 28475, 28865, 38525, 84085, 98141, 106675, 130985, 144325, 285889, 386791, 420425, 490705, 654925, 1429445, 1933955, 2453525, 6575447, 7147225, 9669775, 32877235, 164386175]

約数ペア:

[(1, 164386175), (5, 32877235), (17, 9669775), (23, 7147225), (25, 6575447), (67, 2453525), (85, 1933955), (115, 1429445), (251, 654925), (335, 490705), (391, 420425), (425, 386791), (575, 285889), (1139, 144325), (1255, 130985), (1541, 106675), (1675, 98141), (1955, 84085), (4267, 38525), (5695, 28865), (5773, 28475), (6275, 26197), (7705, 21335), (9775, 16817)]