91890175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 134991360

約数和(自身を除く): 43101185

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 437, 475, 575, 647, 1235, 1495, 2185, 3235, 5681, 6175, 7475, 8411, 10925, 12293, 14881, 16175, 28405, 42055, 61465, 74405, 142025, 159809, 193453, 210275, 282739, 307325, 372025, 799045, 967265, 1413695, 3675607, 3995225, 4836325, 7068475, 18378035, 91890175]

約数ペア:

[(1, 91890175), (5, 18378035), (13, 7068475), (19, 4836325), (23, 3995225), (25, 3675607), (65, 1413695), (95, 967265), (115, 799045), (247, 372025), (299, 307325), (325, 282739), (437, 210275), (475, 193453), (575, 159809), (647, 142025), (1235, 74405), (1495, 61465), (2185, 42055), (3235, 28405), (5681, 16175), (6175, 14881), (7475, 12293), (8411, 10925)]