81819904

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 172186560

約数和(自身を除く): 90366656

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 103, 107, 116, 128, 206, 214, 232, 256, 412, 428, 464, 824, 856, 928, 1648, 1712, 1856, 2987, 3103, 3296, 3424, 3712, 5974, 6206, 6592, 6848, 7424, 11021, 11948, 12412, 13184, 13696, 22042, 23896, 24824, 26368, 27392, 44084, 47792, 49648, 88168, 95584, 99296, 176336, 191168, 198592, 319609, 352672, 382336, 397184, 639218, 705344, 764672, 794368, 1278436, 1410688, 2556872, 2821376, 5113744, 10227488, 20454976, 40909952, 81819904]

約数ペア:

[(1, 81819904), (2, 40909952), (4, 20454976), (8, 10227488), (16, 5113744), (29, 2821376), (32, 2556872), (58, 1410688), (64, 1278436), (103, 794368), (107, 764672), (116, 705344), (128, 639218), (206, 397184), (214, 382336), (232, 352672), (256, 319609), (412, 198592), (428, 191168), (464, 176336), (824, 99296), (856, 95584), (928, 88168), (1648, 49648), (1712, 47792), (1856, 44084), (2987, 27392), (3103, 26368), (3296, 24824), (3424, 23896), (3712, 22042), (5974, 13696), (6206, 13184), (6592, 12412), (6848, 11948), (7424, 11021)]