173346875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 248046624

約数和(自身を除く): 74699749

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 251, 325, 425, 625, 1105, 1255, 1625, 2125, 3125, 3263, 4267, 5525, 6275, 8125, 10625, 16315, 21335, 27625, 31375, 40625, 53125, 55471, 81575, 106675, 138125, 156875, 277355, 407875, 533375, 690625, 784375, 1386775, 2039375, 2666875, 6933875, 10196875, 13334375, 34669375, 173346875]

約数ペア:

[(1, 173346875), (5, 34669375), (13, 13334375), (17, 10196875), (25, 6933875), (65, 2666875), (85, 2039375), (125, 1386775), (221, 784375), (251, 690625), (325, 533375), (425, 407875), (625, 277355), (1105, 156875), (1255, 138125), (1625, 106675), (2125, 81575), (3125, 55471), (3263, 53125), (4267, 40625), (5525, 31375), (6275, 27625), (8125, 21335), (10625, 16315)]