72921145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 103772160

約数和(自身を除く): 30851015

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1705, 2251, 2945, 6479, 11255, 24761, 32395, 42769, 69781, 123805, 213845, 348905, 470459, 767591, 1325839, 2352295, 3837955, 6629195, 14584229, 72921145]

約数ペア:

[(1, 72921145), (5, 14584229), (11, 6629195), (19, 3837955), (31, 2352295), (55, 1325839), (95, 767591), (155, 470459), (209, 348905), (341, 213845), (589, 123805), (1045, 69781), (1705, 42769), (2251, 32395), (2945, 24761), (6479, 11255)]