1255405816

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{967}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 2732083200

約数和(自身を除く): 1476677384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 239, 388, 478, 679, 776, 956, 967, 1358, 1673, 1912, 1934, 2716, 3346, 3868, 5432, 6692, 6769, 7736, 13384, 13538, 23183, 27076, 46366, 54152, 92732, 93799, 162281, 185464, 187598, 231113, 324562, 375196, 462226, 649124, 656593, 750392, 924452, 1298248, 1313186, 1617791, 1848904, 2626372, 3235582, 5252744, 6471164, 12942328, 22417961, 44835922, 89671844, 156925727, 179343688, 313851454, 627702908, 1255405816]

約数ペア:

[(1, 1255405816), (2, 627702908), (4, 313851454), (7, 179343688), (8, 156925727), (14, 89671844), (28, 44835922), (56, 22417961), (97, 12942328), (194, 6471164), (239, 5252744), (388, 3235582), (478, 2626372), (679, 1848904), (776, 1617791), (956, 1313186), (967, 1298248), (1358, 924452), (1673, 750392), (1912, 656593), (1934, 649124), (2716, 462226), (3346, 375196), (3868, 324562), (5432, 231113), (6692, 187598), (6769, 185464), (7736, 162281), (13384, 93799), (13538, 92732), (23183, 54152), (27076, 46366)]