90405904

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 179284160

約数和(自身を除く): 88878256

約数列:

[1, 2, 4, 8, 16, 61, 122, 211, 244, 422, 439, 488, 844, 878, 976, 1688, 1756, 3376, 3512, 7024, 12871, 25742, 26779, 51484, 53558, 92629, 102968, 107116, 185258, 205936, 214232, 370516, 428464, 741032, 1482064, 5650369, 11300738, 22601476, 45202952, 90405904]

約数ペア:

[(1, 90405904), (2, 45202952), (4, 22601476), (8, 11300738), (16, 5650369), (61, 1482064), (122, 741032), (211, 428464), (244, 370516), (422, 214232), (439, 205936), (488, 185258), (844, 107116), (878, 102968), (976, 92629), (1688, 53558), (1756, 51484), (3376, 26779), (3512, 25742), (7024, 12871)]