199818685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 270864000

約数和(自身を除く): 71045315

約数列:

[1, 5, 11, 37, 55, 149, 185, 407, 659, 745, 1639, 2035, 3295, 5513, 7249, 8195, 24383, 27565, 36245, 60643, 98191, 121915, 268213, 303215, 490955, 1080101, 1341065, 3633067, 5400505, 18165335, 39963737, 199818685]

約数ペア:

[(1, 199818685), (5, 39963737), (11, 18165335), (37, 5400505), (55, 3633067), (149, 1341065), (185, 1080101), (407, 490955), (659, 303215), (745, 268213), (1639, 121915), (2035, 98191), (3295, 60643), (5513, 36245), (7249, 27565), (8195, 24383)]