257173696

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3001}}^1$

素因数の和:3129

約数の個数: 56

約数和(自身を含む): 555105824

約数和(自身を除く): 297932128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 206, 208, 412, 416, 824, 832, 1339, 1648, 2678, 3001, 3296, 5356, 6002, 6592, 10712, 12004, 21424, 24008, 39013, 42848, 48016, 78026, 85696, 96032, 156052, 192064, 309103, 312104, 618206, 624208, 1236412, 1248416, 2472824, 2496832, 4018339, 4945648, 8036678, 9891296, 16073356, 19782592, 32146712, 64293424, 128586848, 257173696]

約数ペア:

[(1, 257173696), (2, 128586848), (4, 64293424), (8, 32146712), (13, 19782592), (16, 16073356), (26, 9891296), (32, 8036678), (52, 4945648), (64, 4018339), (103, 2496832), (104, 2472824), (206, 1248416), (208, 1236412), (412, 624208), (416, 618206), (824, 312104), (832, 309103), (1339, 192064), (1648, 156052), (2678, 96032), (3001, 85696), (3296, 78026), (5356, 48016), (6002, 42848), (6592, 39013), (10712, 24008), (12004, 21424)]