197367025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 275660928

約数和(自身を除く): 78293903

約数列:

[1, 5, 17, 23, 25, 61, 85, 115, 305, 331, 391, 425, 575, 1037, 1403, 1525, 1655, 1955, 5185, 5627, 7015, 7613, 8275, 9775, 20191, 23851, 25925, 28135, 35075, 38065, 100955, 119255, 129421, 140675, 190325, 343247, 464393, 504775, 596275, 647105, 1716235, 2321965, 3235525, 7894681, 8581175, 11609825, 39473405, 197367025]

約数ペア:

[(1, 197367025), (5, 39473405), (17, 11609825), (23, 8581175), (25, 7894681), (61, 3235525), (85, 2321965), (115, 1716235), (305, 647105), (331, 596275), (391, 504775), (425, 464393), (575, 343247), (1037, 190325), (1403, 140675), (1525, 129421), (1655, 119255), (1955, 100955), (5185, 38065), (5627, 35075), (7015, 28135), (7613, 25925), (8275, 23851), (9775, 20191)]