201615631

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3877}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 268047360

約数和(自身を除く): 66431729

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 391, 437, 2261, 2737, 3059, 3877, 7429, 27139, 52003, 65909, 73663, 89171, 461363, 515641, 624197, 1252271, 1515907, 1694249, 8765897, 10611349, 11859743, 28802233, 201615631]

約数ペア:

[(1, 201615631), (7, 28802233), (17, 11859743), (19, 10611349), (23, 8765897), (119, 1694249), (133, 1515907), (161, 1252271), (323, 624197), (391, 515641), (437, 461363), (2261, 89171), (2737, 73663), (3059, 65909), (3877, 52003), (7429, 27139)]