217871342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 358313760

約数和(自身を除く): 140442418

約数列:

[1, 2, 13, 26, 101, 163, 202, 326, 509, 1018, 1313, 2119, 2626, 4238, 6617, 13234, 16463, 32926, 51409, 82967, 102818, 165934, 214019, 428038, 668317, 1078571, 1336634, 2157142, 8379667, 16759334, 108935671, 217871342]

約数ペア:

[(1, 217871342), (2, 108935671), (13, 16759334), (26, 8379667), (101, 2157142), (163, 1336634), (202, 1078571), (326, 668317), (509, 428038), (1018, 214019), (1313, 165934), (2119, 102818), (2626, 82967), (4238, 51409), (6617, 32926), (13234, 16463)]