78866445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 147254400

約数和(自身を除く): 68387955

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 149, 213, 355, 447, 497, 745, 1043, 1065, 1491, 2235, 2485, 3129, 5041, 5215, 7455, 10579, 15123, 15645, 25205, 31737, 35287, 52895, 74053, 75615, 105861, 158685, 176435, 222159, 370265, 529305, 751109, 1110795, 2253327, 3755545, 5257763, 11266635, 15773289, 26288815, 78866445]

約数ペア:

[(1, 78866445), (3, 26288815), (5, 15773289), (7, 11266635), (15, 5257763), (21, 3755545), (35, 2253327), (71, 1110795), (105, 751109), (149, 529305), (213, 370265), (355, 222159), (447, 176435), (497, 158685), (745, 105861), (1043, 75615), (1065, 74053), (1491, 52895), (2235, 35287), (2485, 31737), (3129, 25205), (5041, 15645), (5215, 15123), (7455, 10579)]