217929715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5867}}^1$

素因数の和:5931

約数の個数: 32

約数和(自身を含む): 304197120

約数和(自身を除く): 86267405

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 1615, 1955, 2185, 5867, 7429, 29335, 37145, 99739, 111473, 134941, 498695, 557365, 674705, 1895041, 2293997, 2563879, 9475205, 11469985, 12819395, 43585943, 217929715]

約数ペア:

[(1, 217929715), (5, 43585943), (17, 12819395), (19, 11469985), (23, 9475205), (85, 2563879), (95, 2293997), (115, 1895041), (323, 674705), (391, 557365), (437, 498695), (1615, 134941), (1955, 111473), (2185, 99739), (5867, 37145), (7429, 29335)]