28073552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 30985168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 971, 1112, 1807, 1942, 2224, 3614, 3884, 7228, 7768, 12623, 14456, 15536, 25246, 28912, 50492, 100984, 134969, 201968, 269938, 539876, 1079752, 1754597, 2159504, 3509194, 7018388, 14036776, 28073552]

約数ペア:

[(1, 28073552), (2, 14036776), (4, 7018388), (8, 3509194), (13, 2159504), (16, 1754597), (26, 1079752), (52, 539876), (104, 269938), (139, 201968), (208, 134969), (278, 100984), (556, 50492), (971, 28912), (1112, 25246), (1807, 15536), (1942, 14456), (2224, 12623), (3614, 7768), (3884, 7228)]