168724816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 367976448

約数和(自身を除く): 199251632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 137, 191, 208, 248, 274, 382, 403, 496, 548, 764, 806, 1096, 1528, 1612, 1781, 2192, 2483, 3056, 3224, 3562, 4247, 4966, 5921, 6448, 7124, 8494, 9932, 11842, 14248, 16988, 19864, 23684, 26167, 28496, 33976, 39728, 47368, 52334, 55211, 67952, 76973, 94736, 104668, 110422, 153946, 209336, 220844, 307892, 340171, 418672, 441688, 615784, 680342, 811177, 883376, 1231568, 1360684, 1622354, 2721368, 3244708, 5442736, 6489416, 10545301, 12978832, 21090602, 42181204, 84362408, 168724816]

約数ペア:

[(1, 168724816), (2, 84362408), (4, 42181204), (8, 21090602), (13, 12978832), (16, 10545301), (26, 6489416), (31, 5442736), (52, 3244708), (62, 2721368), (104, 1622354), (124, 1360684), (137, 1231568), (191, 883376), (208, 811177), (248, 680342), (274, 615784), (382, 441688), (403, 418672), (496, 340171), (548, 307892), (764, 220844), (806, 209336), (1096, 153946), (1528, 110422), (1612, 104668), (1781, 94736), (2192, 76973), (2483, 67952), (3056, 55211), (3224, 52334), (3562, 47368), (4247, 39728), (4966, 33976), (5921, 28496), (6448, 26167), (7124, 23684), (8494, 19864), (9932, 16988), (11842, 14248)]