289870984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 604805040

約数和(自身を除く): 314934056

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 157, 164, 314, 328, 433, 533, 628, 866, 1066, 1256, 1732, 2041, 2132, 3464, 4082, 4264, 5629, 6437, 8164, 11258, 12874, 16328, 17753, 22516, 25748, 35506, 45032, 51496, 67981, 71012, 83681, 135962, 142024, 167362, 230789, 271924, 334724, 461578, 543848, 669448, 883753, 923156, 1767506, 1846312, 2787221, 3535012, 5574442, 7070024, 11148884, 22297768, 36233873, 72467746, 144935492, 289870984]

約数ペア:

[(1, 289870984), (2, 144935492), (4, 72467746), (8, 36233873), (13, 22297768), (26, 11148884), (41, 7070024), (52, 5574442), (82, 3535012), (104, 2787221), (157, 1846312), (164, 1767506), (314, 923156), (328, 883753), (433, 669448), (533, 543848), (628, 461578), (866, 334724), (1066, 271924), (1256, 230789), (1732, 167362), (2041, 142024), (2132, 135962), (3464, 83681), (4082, 71012), (4264, 67981), (5629, 51496), (6437, 45032), (8164, 35506), (11258, 25748), (12874, 22516), (16328, 17753)]