12500355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 24883200

約数和(自身を除く): 12382845

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 149, 235, 255, 329, 357, 447, 595, 705, 745, 799, 987, 1043, 1645, 1785, 2235, 2397, 2533, 3129, 3995, 4935, 5215, 5593, 7003, 7599, 11985, 12665, 15645, 16779, 17731, 21009, 27965, 35015, 37995, 49021, 53193, 83895, 88655, 105045, 119051, 147063, 245105, 265965, 357153, 595255, 735315, 833357, 1785765, 2500071, 4166785, 12500355]

約数ペア:

[(1, 12500355), (3, 4166785), (5, 2500071), (7, 1785765), (15, 833357), (17, 735315), (21, 595255), (35, 357153), (47, 265965), (51, 245105), (85, 147063), (105, 119051), (119, 105045), (141, 88655), (149, 83895), (235, 53193), (255, 49021), (329, 37995), (357, 35015), (447, 27965), (595, 21009), (705, 17731), (745, 16779), (799, 15645), (987, 12665), (1043, 11985), (1645, 7599), (1785, 7003), (2235, 5593), (2397, 5215), (2533, 4935), (3129, 3995)]