918382075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1471}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 1310916096

約数和(自身を除く): 392534021

約数列:

[1, 5, 13, 17, 25, 65, 85, 113, 221, 325, 425, 565, 1105, 1469, 1471, 1921, 2825, 5525, 7345, 7355, 9605, 19123, 24973, 25007, 36725, 36775, 48025, 95615, 124865, 125035, 166223, 325091, 478075, 624325, 625175, 831115, 1625455, 2160899, 2825791, 4155575, 8127275, 10804495, 14128955, 36735283, 54022475, 70644775, 183676415, 918382075]

約数ペア:

[(1, 918382075), (5, 183676415), (13, 70644775), (17, 54022475), (25, 36735283), (65, 14128955), (85, 10804495), (113, 8127275), (221, 4155575), (325, 2825791), (425, 2160899), (565, 1625455), (1105, 831115), (1469, 625175), (1471, 624325), (1921, 478075), (2825, 325091), (5525, 166223), (7345, 125035), (7355, 124865), (9605, 95615), (19123, 48025), (24973, 36775), (25007, 36725)]