6891990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 19436544

約数和(自身を除く): 12544554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 887, 1110, 1295, 1554, 1774, 2590, 2661, 3885, 4435, 5322, 6209, 7770, 8870, 12418, 13305, 18627, 26610, 31045, 32819, 37254, 62090, 65638, 93135, 98457, 164095, 186270, 196914, 229733, 328190, 459466, 492285, 689199, 984570, 1148665, 1378398, 2297330, 3445995, 6891990]

約数ペア:

[(1, 6891990), (2, 3445995), (3, 2297330), (5, 1378398), (6, 1148665), (7, 984570), (10, 689199), (14, 492285), (15, 459466), (21, 328190), (30, 229733), (35, 196914), (37, 186270), (42, 164095), (70, 98457), (74, 93135), (105, 65638), (111, 62090), (185, 37254), (210, 32819), (222, 31045), (259, 26610), (370, 18627), (518, 13305), (555, 12418), (777, 8870), (887, 7770), (1110, 6209), (1295, 5322), (1554, 4435), (1774, 3885), (2590, 2661)]