218239456

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4955

約数の個数: 48

約数和(自身を含む): 455783328

約数和(自身を除く): 237543872

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 488, 736, 976, 1403, 1952, 2806, 4861, 5612, 9722, 11224, 19444, 22448, 38888, 44896, 77776, 111803, 155552, 223606, 296521, 447212, 593042, 894424, 1186084, 1788848, 2372168, 3577696, 4744336, 6819983, 9488672, 13639966, 27279932, 54559864, 109119728, 218239456]

約数ペア:

[(1, 218239456), (2, 109119728), (4, 54559864), (8, 27279932), (16, 13639966), (23, 9488672), (32, 6819983), (46, 4744336), (61, 3577696), (92, 2372168), (122, 1788848), (184, 1186084), (244, 894424), (368, 593042), (488, 447212), (736, 296521), (976, 223606), (1403, 155552), (1952, 111803), (2806, 77776), (4861, 44896), (5612, 38888), (9722, 22448), (11224, 19444)]