278315979890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16273}}^1\times {\mathrm{131561}}^1$

素因数の和:147854

約数の個数: 32

約数和(自身を含む): 539542076976

約数和(自身を除く): 261226097086

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 16273, 32546, 81365, 131561, 162730, 211549, 263122, 423098, 657805, 1057745, 1315610, 1710293, 2115490, 3420586, 8551465, 17102930, 2140892153, 4281784306, 10704460765, 21408921530, 27831597989, 55663195978, 139157989945, 278315979890]

約数ペア:

[(1, 278315979890), (2, 139157989945), (5, 55663195978), (10, 27831597989), (13, 21408921530), (26, 10704460765), (65, 4281784306), (130, 2140892153), (16273, 17102930), (32546, 8551465), (81365, 3420586), (131561, 2115490), (162730, 1710293), (211549, 1315610), (263122, 1057745), (423098, 657805)]