15988994

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 30424320

約数和(自身を除く): 14435326

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 266, 277, 434, 554, 589, 931, 1178, 1519, 1862, 1939, 3038, 3878, 4123, 5263, 8246, 8587, 10526, 13573, 17174, 27146, 28861, 36841, 57722, 60109, 73682, 120218, 163153, 257887, 326306, 420763, 515774, 841526, 1142071, 2284142, 7994497, 15988994]

約数ペア:

[(1, 15988994), (2, 7994497), (7, 2284142), (14, 1142071), (19, 841526), (31, 515774), (38, 420763), (49, 326306), (62, 257887), (98, 163153), (133, 120218), (217, 73682), (266, 60109), (277, 57722), (434, 36841), (554, 28861), (589, 27146), (931, 17174), (1178, 13573), (1519, 10526), (1862, 8587), (1939, 8246), (3038, 5263), (3878, 4123)]