156980824

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19640

約数の個数: 64

約数和(自身を含む): 395216640

約数和(自身を除く): 238235816

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 19603, 39206, 78412, 137221, 156824, 215633, 254839, 274442, 431266, 509678, 548884, 862532, 1019356, 1097768, 1509431, 1725064, 1783873, 2038712, 2803229, 3018862, 3567746, 5606458, 6037724, 7135492, 11212916, 12075448, 14270984, 19622603, 22425832, 39245206, 78490412, 156980824]

約数ペア:

[(1, 156980824), (2, 78490412), (4, 39245206), (7, 22425832), (8, 19622603), (11, 14270984), (13, 12075448), (14, 11212916), (22, 7135492), (26, 6037724), (28, 5606458), (44, 3567746), (52, 3018862), (56, 2803229), (77, 2038712), (88, 1783873), (91, 1725064), (104, 1509431), (143, 1097768), (154, 1019356), (182, 862532), (286, 548884), (308, 509678), (364, 431266), (572, 274442), (616, 254839), (728, 215633), (1001, 156824), (1144, 137221), (2002, 78412), (4004, 39206), (8008, 19603)]