721414356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2961

約数の個数: 72

約数和(自身を含む): 1837753344

約数和(自身を除く): 1116338988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 507, 508, 676, 762, 1014, 1524, 1651, 2028, 2801, 3302, 4953, 5602, 6604, 8403, 9906, 11204, 16806, 19812, 21463, 33612, 36413, 42926, 64389, 72826, 85852, 109239, 128778, 145652, 218478, 257556, 355727, 436956, 473369, 711454, 946738, 1067181, 1420107, 1422908, 1893476, 2134362, 2840214, 4268724, 4624451, 5680428, 9248902, 13873353, 18497804, 27746706, 55493412, 60117863, 120235726, 180353589, 240471452, 360707178, 721414356]

約数ペア:

[(1, 721414356), (2, 360707178), (3, 240471452), (4, 180353589), (6, 120235726), (12, 60117863), (13, 55493412), (26, 27746706), (39, 18497804), (52, 13873353), (78, 9248902), (127, 5680428), (156, 4624451), (169, 4268724), (254, 2840214), (338, 2134362), (381, 1893476), (507, 1422908), (508, 1420107), (676, 1067181), (762, 946738), (1014, 711454), (1524, 473369), (1651, 436956), (2028, 355727), (2801, 257556), (3302, 218478), (4953, 145652), (5602, 128778), (6604, 109239), (8403, 85852), (9906, 72826), (11204, 64389), (16806, 42926), (19812, 36413), (21463, 33612)]