321746516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21559}}^1$

素因数の和:21624

約数の個数: 48

約数和(自身を含む): 709927680

約数和(自身を除く): 388181164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 21559, 43118, 86236, 150913, 280267, 301826, 560534, 603652, 883919, 1121068, 1767838, 1961869, 3535676, 3923738, 6187433, 7847476, 11490947, 12374866, 22981894, 24749732, 45963788, 80436629, 160873258, 321746516]

約数ペア:

[(1, 321746516), (2, 160873258), (4, 80436629), (7, 45963788), (13, 24749732), (14, 22981894), (26, 12374866), (28, 11490947), (41, 7847476), (52, 6187433), (82, 3923738), (91, 3535676), (164, 1961869), (182, 1767838), (287, 1121068), (364, 883919), (533, 603652), (574, 560534), (1066, 301826), (1148, 280267), (2132, 150913), (3731, 86236), (7462, 43118), (14924, 21559)]