209978314

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37217}}^1$

素因数の和:37270

約数の個数: 32

約数和(自身を含む): 400167936

約数和(自身を除く): 190189622

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 37217, 74434, 260519, 483821, 521038, 967642, 1153727, 2307454, 3386747, 6773494, 8076089, 14998451, 16152178, 29996902, 104989157, 209978314]

約数ペア:

[(1, 209978314), (2, 104989157), (7, 29996902), (13, 16152178), (14, 14998451), (26, 8076089), (31, 6773494), (62, 3386747), (91, 2307454), (182, 1153727), (217, 967642), (403, 521038), (434, 483821), (806, 260519), (2821, 74434), (5642, 37217)]