155906548

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 318084480

約数和(自身を除く): 162177932

約数列:

[1, 2, 4, 7, 14, 28, 97, 137, 194, 274, 388, 419, 548, 679, 838, 959, 1358, 1676, 1918, 2716, 2933, 3836, 5866, 11732, 13289, 26578, 40643, 53156, 57403, 81286, 93023, 114806, 162572, 186046, 229612, 284501, 372092, 401821, 569002, 803642, 1138004, 1607284, 5568091, 11136182, 22272364, 38976637, 77953274, 155906548]

約数ペア:

[(1, 155906548), (2, 77953274), (4, 38976637), (7, 22272364), (14, 11136182), (28, 5568091), (97, 1607284), (137, 1138004), (194, 803642), (274, 569002), (388, 401821), (419, 372092), (548, 284501), (679, 229612), (838, 186046), (959, 162572), (1358, 114806), (1676, 93023), (1918, 81286), (2716, 57403), (2933, 53156), (3836, 40643), (5866, 26578), (11732, 13289)]