28400216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 33531304

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 248, 299, 383, 403, 598, 713, 766, 806, 1196, 1426, 1532, 1612, 2392, 2852, 3064, 3224, 4979, 5704, 8809, 9269, 9958, 11873, 17618, 18538, 19916, 23746, 35236, 37076, 39832, 47492, 70472, 74152, 94984, 114517, 154349, 229034, 273079, 308698, 458068, 546158, 617396, 916136, 1092316, 1234792, 2184632, 3550027, 7100054, 14200108, 28400216]

約数ペア:

[(1, 28400216), (2, 14200108), (4, 7100054), (8, 3550027), (13, 2184632), (23, 1234792), (26, 1092316), (31, 916136), (46, 617396), (52, 546158), (62, 458068), (92, 308698), (104, 273079), (124, 229034), (184, 154349), (248, 114517), (299, 94984), (383, 74152), (403, 70472), (598, 47492), (713, 39832), (766, 37076), (806, 35236), (1196, 23746), (1426, 19916), (1532, 18538), (1612, 17618), (2392, 11873), (2852, 9958), (3064, 9269), (3224, 8809), (4979, 5704)]