216929890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{3389}}^1$

素因数の和:3606

約数の個数: 32

約数和(自身を含む): 403464240

約数和(自身を除く): 186534350

約数列:

[1, 2, 5, 10, 37, 74, 173, 185, 346, 370, 865, 1730, 3389, 6401, 6778, 12802, 16945, 32005, 33890, 64010, 125393, 250786, 586297, 626965, 1172594, 1253930, 2931485, 5862970, 21692989, 43385978, 108464945, 216929890]

約数ペア:

[(1, 216929890), (2, 108464945), (5, 43385978), (10, 21692989), (37, 5862970), (74, 2931485), (173, 1253930), (185, 1172594), (346, 626965), (370, 586297), (865, 250786), (1730, 125393), (3389, 64010), (6401, 33890), (6778, 32005), (12802, 16945)]