87941992

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 168426720

約数和(自身を除く): 80484728

約数列:

[1, 2, 4, 8, 61, 122, 244, 307, 488, 587, 614, 1174, 1228, 2348, 2456, 4696, 18727, 35807, 37454, 71614, 74908, 143228, 149816, 180209, 286456, 360418, 720836, 1441672, 10992749, 21985498, 43970996, 87941992]

約数ペア:

[(1, 87941992), (2, 43970996), (4, 21985498), (8, 10992749), (61, 1441672), (122, 720836), (244, 360418), (307, 286456), (488, 180209), (587, 149816), (614, 143228), (1174, 74908), (1228, 71614), (2348, 37454), (2456, 35807), (4696, 18727)]