215499746

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4719

約数の個数: 48

約数和(自身を含む): 419839200

約数和(自身を除く): 204339454

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 473, 539, 602, 946, 1078, 2107, 3311, 4214, 4649, 6622, 9298, 23177, 32543, 46354, 51139, 65086, 102278, 199907, 227801, 357973, 399814, 455602, 715946, 1399349, 2198977, 2505811, 2798698, 4397954, 5011622, 9795443, 15392839, 19590886, 30785678, 107749873, 215499746]

約数ペア:

[(1, 215499746), (2, 107749873), (7, 30785678), (11, 19590886), (14, 15392839), (22, 9795443), (43, 5011622), (49, 4397954), (77, 2798698), (86, 2505811), (98, 2198977), (154, 1399349), (301, 715946), (473, 455602), (539, 399814), (602, 357973), (946, 227801), (1078, 199907), (2107, 102278), (3311, 65086), (4214, 51139), (4649, 46354), (6622, 32543), (9298, 23177)]