720589038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{67433}}^1$

素因数の和:67588

約数の個数: 32

約数和(自身を含む): 1563389856

約数和(自身を除く): 842800818

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 3562, 5343, 10686, 67433, 134866, 202299, 404598, 876629, 1753258, 2629887, 5259774, 9238321, 18476642, 27714963, 55429926, 120098173, 240196346, 360294519, 720589038]

約数ペア:

[(1, 720589038), (2, 360294519), (3, 240196346), (6, 120098173), (13, 55429926), (26, 27714963), (39, 18476642), (78, 9238321), (137, 5259774), (274, 2629887), (411, 1753258), (822, 876629), (1781, 404598), (3562, 202299), (5343, 134866), (10686, 67433)]