81374875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 105535872

約数和(自身を除く): 24160997

約数列:

[1, 5, 25, 53, 71, 125, 173, 265, 355, 865, 1325, 1775, 3763, 4325, 6625, 8875, 9169, 12283, 18815, 21625, 45845, 61415, 94075, 229225, 307075, 470375, 650999, 1146125, 1535375, 3254995, 16274975, 81374875]

約数ペア:

[(1, 81374875), (5, 16274975), (25, 3254995), (53, 1535375), (71, 1146125), (125, 650999), (173, 470375), (265, 307075), (355, 229225), (865, 94075), (1325, 61415), (1775, 45845), (3763, 21625), (4325, 18815), (6625, 12283), (8875, 9169)]