28981998

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 64982736

約数和(自身を除く): 36000738

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 173, 227, 246, 346, 369, 454, 519, 681, 738, 1038, 1362, 1557, 2043, 3114, 4086, 7093, 9307, 14186, 18614, 21279, 27921, 39271, 42558, 55842, 63837, 78542, 83763, 117813, 127674, 167526, 235626, 353439, 706878, 1610111, 3220222, 4830333, 9660666, 14490999, 28981998]

約数ペア:

[(1, 28981998), (2, 14490999), (3, 9660666), (6, 4830333), (9, 3220222), (18, 1610111), (41, 706878), (82, 353439), (123, 235626), (173, 167526), (227, 127674), (246, 117813), (346, 83763), (369, 78542), (454, 63837), (519, 55842), (681, 42558), (738, 39271), (1038, 27921), (1362, 21279), (1557, 18614), (2043, 14186), (3114, 9307), (4086, 7093)]