81728896

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 172339200

約数和(自身を除く): 90610304

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 344, 479, 496, 688, 958, 992, 1333, 1376, 1916, 1984, 2666, 2752, 3832, 3968, 5332, 5504, 7664, 10664, 14849, 15328, 20597, 21328, 29698, 30656, 41194, 42656, 59396, 61312, 82388, 85312, 118792, 164776, 170624, 237584, 329552, 475168, 638507, 659104, 950336, 1277014, 1318208, 1900672, 2554028, 2636416, 5108056, 10216112, 20432224, 40864448, 81728896]

約数ペア:

[(1, 81728896), (2, 40864448), (4, 20432224), (8, 10216112), (16, 5108056), (31, 2636416), (32, 2554028), (43, 1900672), (62, 1318208), (64, 1277014), (86, 950336), (124, 659104), (128, 638507), (172, 475168), (248, 329552), (344, 237584), (479, 170624), (496, 164776), (688, 118792), (958, 85312), (992, 82388), (1333, 61312), (1376, 59396), (1916, 42656), (1984, 41194), (2666, 30656), (2752, 29698), (3832, 21328), (3968, 20597), (5332, 15328), (5504, 14849), (7664, 10664)]