161888468

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 334266240

約数和(自身を除く): 172377772

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 307, 509, 518, 614, 1018, 1036, 1228, 2036, 2149, 3563, 4298, 7126, 8596, 11359, 14252, 18833, 22718, 37666, 45436, 75332, 79513, 131831, 156263, 159026, 263662, 312526, 318052, 527324, 625052, 1093841, 2187682, 4375364, 5781731, 11563462, 23126924, 40472117, 80944234, 161888468]

約数ペア:

[(1, 161888468), (2, 80944234), (4, 40472117), (7, 23126924), (14, 11563462), (28, 5781731), (37, 4375364), (74, 2187682), (148, 1093841), (259, 625052), (307, 527324), (509, 318052), (518, 312526), (614, 263662), (1018, 159026), (1036, 156263), (1228, 131831), (2036, 79513), (2149, 75332), (3563, 45436), (4298, 37666), (7126, 22718), (8596, 18833), (11359, 14252)]