644244318

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{8581}}^1$

素因数の和:8729

約数の個数: 48

約数和(自身を含む): 1443217776

約数和(自身を除く): 798973458

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 97, 129, 194, 258, 291, 387, 582, 774, 873, 1746, 4171, 8342, 8581, 12513, 17162, 25026, 25743, 37539, 51486, 75078, 77229, 154458, 368983, 737966, 832357, 1106949, 1664714, 2213898, 2497071, 3320847, 4994142, 6641694, 7491213, 14982426, 35791351, 71582702, 107374053, 214748106, 322122159, 644244318]

約数ペア:

[(1, 644244318), (2, 322122159), (3, 214748106), (6, 107374053), (9, 71582702), (18, 35791351), (43, 14982426), (86, 7491213), (97, 6641694), (129, 4994142), (194, 3320847), (258, 2497071), (291, 2213898), (387, 1664714), (582, 1106949), (774, 832357), (873, 737966), (1746, 368983), (4171, 154458), (8342, 77229), (8581, 75078), (12513, 51486), (17162, 37539), (25026, 25743)]