153960728

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 293412000

約数和(自身を除く): 139451272

約数列:

[1, 2, 4, 8, 97, 194, 199, 388, 398, 776, 796, 997, 1592, 1994, 3988, 7976, 19303, 38606, 77212, 96709, 154424, 193418, 198403, 386836, 396806, 773672, 793612, 1587224, 19245091, 38490182, 76980364, 153960728]

約数ペア:

[(1, 153960728), (2, 76980364), (4, 38490182), (8, 19245091), (97, 1587224), (194, 793612), (199, 773672), (388, 396806), (398, 386836), (776, 198403), (796, 193418), (997, 154424), (1592, 96709), (1994, 77212), (3988, 38606), (7976, 19303)]