81716784

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{23321}}^1$

素因数の和:23405

約数の個数: 40

約数和(自身を含む): 214002672

約数和(自身を除く): 132285888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 438, 584, 876, 1168, 1752, 3504, 23321, 46642, 69963, 93284, 139926, 186568, 279852, 373136, 559704, 1119408, 1702433, 3404866, 5107299, 6809732, 10214598, 13619464, 20429196, 27238928, 40858392, 81716784]

約数ペア:

[(1, 81716784), (2, 40858392), (3, 27238928), (4, 20429196), (6, 13619464), (8, 10214598), (12, 6809732), (16, 5107299), (24, 3404866), (48, 1702433), (73, 1119408), (146, 559704), (219, 373136), (292, 279852), (438, 186568), (584, 139926), (876, 93284), (1168, 69963), (1752, 46642), (3504, 23321)]