408020756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 866857824

約数和(自身を除く): 458837068

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 169, 286, 338, 407, 481, 572, 676, 814, 962, 1483, 1628, 1859, 1924, 2966, 3718, 5291, 5932, 6253, 7436, 10582, 12506, 16313, 19279, 21164, 25012, 32626, 38558, 54871, 65252, 68783, 77116, 109742, 137566, 212069, 219484, 250627, 275132, 424138, 501254, 603581, 713323, 848276, 1002508, 1207162, 1426646, 2414324, 2756897, 2853292, 5513794, 7846553, 9273199, 11027588, 15693106, 18546398, 31386212, 37092796, 102005189, 204010378, 408020756]

約数ペア:

[(1, 408020756), (2, 204010378), (4, 102005189), (11, 37092796), (13, 31386212), (22, 18546398), (26, 15693106), (37, 11027588), (44, 9273199), (52, 7846553), (74, 5513794), (143, 2853292), (148, 2756897), (169, 2414324), (286, 1426646), (338, 1207162), (407, 1002508), (481, 848276), (572, 713323), (676, 603581), (814, 501254), (962, 424138), (1483, 275132), (1628, 250627), (1859, 219484), (1924, 212069), (2966, 137566), (3718, 109742), (5291, 77116), (5932, 68783), (6253, 65252), (7436, 54871), (10582, 38558), (12506, 32626), (16313, 25012), (19279, 21164)]