428245328

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 978687360

約数和(自身を除く): 550442032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 179, 287, 328, 358, 521, 574, 656, 716, 1042, 1148, 1253, 1432, 2084, 2296, 2506, 2864, 3647, 4168, 4592, 5012, 7294, 7339, 8336, 10024, 14588, 14678, 20048, 21361, 29176, 29356, 42722, 51373, 58352, 58712, 85444, 93259, 102746, 117424, 149527, 170888, 186518, 205492, 299054, 341776, 373036, 410984, 598108, 652813, 746072, 821968, 1196216, 1305626, 1492144, 2392432, 2611252, 3823619, 5222504, 7647238, 10445008, 15294476, 26765333, 30588952, 53530666, 61177904, 107061332, 214122664, 428245328]

約数ペア:

[(1, 428245328), (2, 214122664), (4, 107061332), (7, 61177904), (8, 53530666), (14, 30588952), (16, 26765333), (28, 15294476), (41, 10445008), (56, 7647238), (82, 5222504), (112, 3823619), (164, 2611252), (179, 2392432), (287, 1492144), (328, 1305626), (358, 1196216), (521, 821968), (574, 746072), (656, 652813), (716, 598108), (1042, 410984), (1148, 373036), (1253, 341776), (1432, 299054), (2084, 205492), (2296, 186518), (2506, 170888), (2864, 149527), (3647, 117424), (4168, 102746), (4592, 93259), (5012, 85444), (7294, 58712), (7339, 58352), (8336, 51373), (10024, 42722), (14588, 29356), (14678, 29176), (20048, 21361)]