28266770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 61641216

約数和(自身を除く): 33374446

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 97, 115, 161, 181, 194, 230, 322, 362, 485, 679, 805, 905, 970, 1267, 1358, 1610, 1810, 2231, 2534, 3395, 4163, 4462, 6335, 6790, 8326, 11155, 12670, 15617, 17557, 20815, 22310, 29141, 31234, 35114, 41630, 58282, 78085, 87785, 122899, 145705, 156170, 175570, 245798, 291410, 403811, 614495, 807622, 1228990, 2019055, 2826677, 4038110, 5653354, 14133385, 28266770]

約数ペア:

[(1, 28266770), (2, 14133385), (5, 5653354), (7, 4038110), (10, 2826677), (14, 2019055), (23, 1228990), (35, 807622), (46, 614495), (70, 403811), (97, 291410), (115, 245798), (161, 175570), (181, 156170), (194, 145705), (230, 122899), (322, 87785), (362, 78085), (485, 58282), (679, 41630), (805, 35114), (905, 31234), (970, 29141), (1267, 22310), (1358, 20815), (1610, 17557), (1810, 15617), (2231, 12670), (2534, 11155), (3395, 8326), (4163, 6790), (4462, 6335)]