388447670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 785078784

約数和(自身を除く): 396631114

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 113, 130, 155, 226, 310, 403, 565, 806, 853, 1130, 1469, 1706, 2015, 2938, 3503, 4030, 4265, 7006, 7345, 8530, 11089, 14690, 17515, 22178, 26443, 35030, 45539, 52886, 55445, 91078, 96389, 110890, 132215, 192778, 227695, 264430, 343759, 455390, 481945, 687518, 963890, 1253057, 1718795, 2506114, 2988059, 3437590, 5976118, 6265285, 12530570, 14940295, 29880590, 38844767, 77689534, 194223835, 388447670]

約数ペア:

[(1, 388447670), (2, 194223835), (5, 77689534), (10, 38844767), (13, 29880590), (26, 14940295), (31, 12530570), (62, 6265285), (65, 5976118), (113, 3437590), (130, 2988059), (155, 2506114), (226, 1718795), (310, 1253057), (403, 963890), (565, 687518), (806, 481945), (853, 455390), (1130, 343759), (1469, 264430), (1706, 227695), (2015, 192778), (2938, 132215), (3503, 110890), (4030, 96389), (4265, 91078), (7006, 55445), (7345, 52886), (8530, 45539), (11089, 35030), (14690, 26443), (17515, 22178)]