2019979688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 3975642000

約数和(自身を除く): 1955662312

約数列:

[1, 2, 4, 8, 29, 58, 116, 193, 197, 229, 232, 386, 394, 458, 772, 788, 916, 1544, 1576, 1832, 5597, 5713, 6641, 11194, 11426, 13282, 22388, 22852, 26564, 38021, 44197, 44776, 45113, 45704, 53128, 76042, 88394, 90226, 152084, 176788, 180452, 304168, 353576, 360904, 1102609, 1281713, 1308277, 2205218, 2563426, 2616554, 4410436, 5126852, 5233108, 8706809, 8820872, 10253704, 10466216, 17413618, 34827236, 69654472, 252497461, 504994922, 1009989844, 2019979688]

約数ペア:

[(1, 2019979688), (2, 1009989844), (4, 504994922), (8, 252497461), (29, 69654472), (58, 34827236), (116, 17413618), (193, 10466216), (197, 10253704), (229, 8820872), (232, 8706809), (386, 5233108), (394, 5126852), (458, 4410436), (772, 2616554), (788, 2563426), (916, 2205218), (1544, 1308277), (1576, 1281713), (1832, 1102609), (5597, 360904), (5713, 353576), (6641, 304168), (11194, 180452), (11426, 176788), (13282, 152084), (22388, 90226), (22852, 88394), (26564, 76042), (38021, 53128), (44197, 45704), (44776, 45113)]