172036670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42689}}^1$

素因数の和:42740

約数の個数: 32

約数和(自身を含む): 344252160

約数和(自身を除く): 172215490

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 42689, 85378, 213445, 426890, 554957, 1109914, 1323359, 2646718, 2774785, 5549570, 6616795, 13233590, 17203667, 34407334, 86018335, 172036670]

約数ペア:

[(1, 172036670), (2, 86018335), (5, 34407334), (10, 17203667), (13, 13233590), (26, 6616795), (31, 5549570), (62, 2774785), (65, 2646718), (130, 1323359), (155, 1109914), (310, 554957), (403, 426890), (806, 213445), (2015, 85378), (4030, 42689)]