261726368

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5557

約数の個数: 48

約数和(自身を含む): 549360000

約数和(自身を除く): 287633632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 79, 152, 158, 304, 316, 608, 632, 1264, 1501, 2528, 3002, 5449, 6004, 10898, 12008, 21796, 24016, 43592, 48032, 87184, 103531, 174368, 207062, 414124, 430471, 828248, 860942, 1656496, 1721884, 3312992, 3443768, 6887536, 8178949, 13775072, 16357898, 32715796, 65431592, 130863184, 261726368]

約数ペア:

[(1, 261726368), (2, 130863184), (4, 65431592), (8, 32715796), (16, 16357898), (19, 13775072), (32, 8178949), (38, 6887536), (76, 3443768), (79, 3312992), (152, 1721884), (158, 1656496), (304, 860942), (316, 828248), (608, 430471), (632, 414124), (1264, 207062), (1501, 174368), (2528, 103531), (3002, 87184), (5449, 48032), (6004, 43592), (10898, 24016), (12008, 21796)]