204494511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 325140480

約数和(自身を除く): 120645969

約数列:

[1, 3, 13, 19, 39, 41, 53, 57, 123, 127, 159, 247, 381, 533, 689, 741, 779, 1007, 1599, 1651, 2067, 2173, 2337, 2413, 3021, 4953, 5207, 6519, 6731, 7239, 10127, 13091, 15621, 20193, 28249, 30381, 31369, 39273, 41287, 67691, 84747, 87503, 94107, 98933, 123861, 127889, 203073, 262509, 275971, 296799, 383667, 536731, 827913, 1286129, 1610193, 1662557, 3587623, 3858387, 4987671, 5243449, 10762869, 15730347, 68164837, 204494511]

約数ペア:

[(1, 204494511), (3, 68164837), (13, 15730347), (19, 10762869), (39, 5243449), (41, 4987671), (53, 3858387), (57, 3587623), (123, 1662557), (127, 1610193), (159, 1286129), (247, 827913), (381, 536731), (533, 383667), (689, 296799), (741, 275971), (779, 262509), (1007, 203073), (1599, 127889), (1651, 123861), (2067, 98933), (2173, 94107), (2337, 87503), (2413, 84747), (3021, 67691), (4953, 41287), (5207, 39273), (6519, 31369), (6731, 30381), (7239, 28249), (10127, 20193), (13091, 15621)]