2912206878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{208223}}^1$

素因数の和:208278

約数の個数: 64

約数和(自身を含む): 7596011520

約数和(自身を除く): 4683804642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1554, 1998, 2331, 4662, 6993, 13986, 208223, 416446, 624669, 1249338, 1457561, 1874007, 2915122, 3748014, 4372683, 5622021, 7704251, 8745366, 11244042, 13118049, 15408502, 23112753, 26236098, 39354147, 46225506, 53929757, 69338259, 78708294, 107859514, 138676518, 161789271, 208014777, 323578542, 416029554, 485367813, 970735626, 1456103439, 2912206878]

約数ペア:

[(1, 2912206878), (2, 1456103439), (3, 970735626), (6, 485367813), (7, 416029554), (9, 323578542), (14, 208014777), (18, 161789271), (21, 138676518), (27, 107859514), (37, 78708294), (42, 69338259), (54, 53929757), (63, 46225506), (74, 39354147), (111, 26236098), (126, 23112753), (189, 15408502), (222, 13118049), (259, 11244042), (333, 8745366), (378, 7704251), (518, 5622021), (666, 4372683), (777, 3748014), (999, 2915122), (1554, 1874007), (1998, 1457561), (2331, 1249338), (4662, 624669), (6993, 416446), (13986, 208223)]