81808984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2371}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 162244800

約数和(自身を除く): 80435816

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 908, 1816, 2371, 4313, 4742, 8626, 9484, 17252, 18968, 34504, 45049, 90098, 180196, 360392, 538217, 1076434, 2152868, 4305736, 10226123, 20452246, 40904492, 81808984]

約数ペア:

[(1, 81808984), (2, 40904492), (4, 20452246), (8, 10226123), (19, 4305736), (38, 2152868), (76, 1076434), (152, 538217), (227, 360392), (454, 180196), (908, 90098), (1816, 45049), (2371, 34504), (4313, 18968), (4742, 17252), (8626, 9484)]