76979988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 204422400

約数和(自身を除く): 127442412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 239, 276, 389, 414, 478, 717, 778, 828, 956, 1167, 1434, 1556, 2151, 2334, 2868, 3501, 4302, 4668, 5497, 7002, 8604, 8947, 10994, 14004, 16491, 17894, 21988, 26841, 32982, 35788, 49473, 53682, 65964, 80523, 92971, 98946, 107364, 161046, 185942, 197892, 278913, 322092, 371884, 557826, 836739, 1115652, 1673478, 2138333, 3346956, 4276666, 6414999, 8553332, 12829998, 19244997, 25659996, 38489994, 76979988]

約数ペア:

[(1, 76979988), (2, 38489994), (3, 25659996), (4, 19244997), (6, 12829998), (9, 8553332), (12, 6414999), (18, 4276666), (23, 3346956), (36, 2138333), (46, 1673478), (69, 1115652), (92, 836739), (138, 557826), (207, 371884), (239, 322092), (276, 278913), (389, 197892), (414, 185942), (478, 161046), (717, 107364), (778, 98946), (828, 92971), (956, 80523), (1167, 65964), (1434, 53682), (1556, 49473), (2151, 35788), (2334, 32982), (2868, 26841), (3501, 21988), (4302, 17894), (4668, 16491), (5497, 14004), (7002, 10994), (8604, 8947)]