258779864

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{2749}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 568590000

約数和(自身を除く): 309810136

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 1681, 2296, 2749, 3362, 5498, 6724, 10996, 11767, 13448, 19243, 21992, 23534, 38486, 47068, 76972, 94136, 112709, 153944, 225418, 450836, 788963, 901672, 1577926, 3155852, 4621069, 6311704, 9242138, 18484276, 32347483, 36968552, 64694966, 129389932, 258779864]

約数ペア:

[(1, 258779864), (2, 129389932), (4, 64694966), (7, 36968552), (8, 32347483), (14, 18484276), (28, 9242138), (41, 6311704), (56, 4621069), (82, 3155852), (164, 1577926), (287, 901672), (328, 788963), (574, 450836), (1148, 225418), (1681, 153944), (2296, 112709), (2749, 94136), (3362, 76972), (5498, 47068), (6724, 38486), (10996, 23534), (11767, 21992), (13448, 19243)]