256394512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76673}}^1$

素因数の和:76711

約数の個数: 40

約数和(自身を含む): 570454560

約数和(自身を除く): 314060048

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 76673, 153346, 306692, 613384, 843403, 1226768, 1456787, 1686806, 2913574, 3373612, 5827148, 6747224, 11654296, 13494448, 16024657, 23308592, 32049314, 64098628, 128197256, 256394512]

約数ペア:

[(1, 256394512), (2, 128197256), (4, 64098628), (8, 32049314), (11, 23308592), (16, 16024657), (19, 13494448), (22, 11654296), (38, 6747224), (44, 5827148), (76, 3373612), (88, 2913574), (152, 1686806), (176, 1456787), (209, 1226768), (304, 843403), (418, 613384), (836, 306692), (1672, 153346), (3344, 76673)]