172953290

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 315141840

約数和(自身を除く): 142188550

約数列:

[1, 2, 5, 10, 173, 257, 346, 389, 514, 778, 865, 1285, 1730, 1945, 2570, 3890, 44461, 67297, 88922, 99973, 134594, 199946, 222305, 336485, 444610, 499865, 672970, 999730, 17295329, 34590658, 86476645, 172953290]

約数ペア:

[(1, 172953290), (2, 86476645), (5, 34590658), (10, 17295329), (173, 999730), (257, 672970), (346, 499865), (389, 444610), (514, 336485), (778, 222305), (865, 199946), (1285, 134594), (1730, 99973), (1945, 88922), (2570, 67297), (3890, 44461)]