398269295

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 505284480

約数和(自身を除く): 107015185

約数列:

[1, 5, 37, 53, 151, 185, 265, 269, 755, 1345, 1961, 5587, 8003, 9805, 9953, 14257, 27935, 40015, 40619, 49765, 71285, 203095, 296111, 527509, 1480555, 1502903, 2152807, 2637545, 7514515, 10764035, 79653859, 398269295]

約数ペア:

[(1, 398269295), (5, 79653859), (37, 10764035), (53, 7514515), (151, 2637545), (185, 2152807), (265, 1502903), (269, 1480555), (755, 527509), (1345, 296111), (1961, 203095), (5587, 71285), (8003, 49765), (9805, 40619), (9953, 40015), (14257, 27935)]