1780458

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 3734016

約数和(自身を除く): 1953558

約数列:

[1, 2, 3, 6, 43, 67, 86, 103, 129, 134, 201, 206, 258, 309, 402, 618, 2881, 4429, 5762, 6901, 8643, 8858, 13287, 13802, 17286, 20703, 26574, 41406, 296743, 593486, 890229, 1780458]

約数ペア:

[(1, 1780458), (2, 890229), (3, 593486), (6, 296743), (43, 41406), (67, 26574), (86, 20703), (103, 17286), (129, 13802), (134, 13287), (201, 8858), (206, 8643), (258, 6901), (309, 5762), (402, 4429), (618, 2881)]