206239775

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8861}}^1$

素因数の和:8904

約数の個数: 36

約数和(自身を含む): 313183080

約数和(自身を除く): 106943305

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 665, 931, 1225, 3325, 4655, 8861, 23275, 44305, 62027, 168359, 221525, 310135, 434189, 841795, 1178513, 1550675, 2170945, 4208975, 5892565, 8249591, 10854725, 29462825, 41247955, 206239775]

約数ペア:

[(1, 206239775), (5, 41247955), (7, 29462825), (19, 10854725), (25, 8249591), (35, 5892565), (49, 4208975), (95, 2170945), (133, 1550675), (175, 1178513), (245, 841795), (475, 434189), (665, 310135), (931, 221525), (1225, 168359), (3325, 62027), (4655, 44305), (8861, 23275)]