257680306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{1231}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 425956608

約数和(自身を除く): 168276302

約数列:

[1, 2, 13, 26, 83, 97, 166, 194, 1079, 1231, 1261, 2158, 2462, 2522, 8051, 16003, 16102, 32006, 102173, 104663, 119407, 204346, 209326, 238814, 1328249, 1552291, 2656498, 3104582, 9910781, 19821562, 128840153, 257680306]

約数ペア:

[(1, 257680306), (2, 128840153), (13, 19821562), (26, 9910781), (83, 3104582), (97, 2656498), (166, 1552291), (194, 1328249), (1079, 238814), (1231, 209326), (1261, 204346), (2158, 119407), (2462, 104663), (2522, 102173), (8051, 32006), (16003, 16102)]