208697776

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 474572800

約数和(自身を除く): 265875024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 103, 112, 158, 206, 229, 316, 412, 458, 553, 632, 721, 824, 916, 1106, 1264, 1442, 1603, 1648, 1832, 2212, 2884, 3206, 3664, 4424, 5768, 6412, 8137, 8848, 11536, 12824, 16274, 18091, 23587, 25648, 32548, 36182, 47174, 56959, 65096, 72364, 94348, 113918, 126637, 130192, 144728, 165109, 188696, 227836, 253274, 289456, 330218, 377392, 455672, 506548, 660436, 911344, 1013096, 1320872, 1863373, 2026192, 2641744, 3726746, 7453492, 13043611, 14906984, 26087222, 29813968, 52174444, 104348888, 208697776]

約数ペア:

[(1, 208697776), (2, 104348888), (4, 52174444), (7, 29813968), (8, 26087222), (14, 14906984), (16, 13043611), (28, 7453492), (56, 3726746), (79, 2641744), (103, 2026192), (112, 1863373), (158, 1320872), (206, 1013096), (229, 911344), (316, 660436), (412, 506548), (458, 455672), (553, 377392), (632, 330218), (721, 289456), (824, 253274), (916, 227836), (1106, 188696), (1264, 165109), (1442, 144728), (1603, 130192), (1648, 126637), (1832, 113918), (2212, 94348), (2884, 72364), (3206, 65096), (3664, 56959), (4424, 47174), (5768, 36182), (6412, 32548), (8137, 25648), (8848, 23587), (11536, 18091), (12824, 16274)]