208057616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 459637248

約数和(自身を除く): 251579632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 787, 806, 1066, 1271, 1574, 1612, 2132, 2542, 3148, 3224, 4264, 5084, 6296, 6448, 8528, 10168, 10231, 12592, 16523, 20336, 20462, 24397, 32267, 33046, 40924, 48794, 64534, 66092, 81848, 97588, 129068, 132184, 163696, 195176, 258136, 264368, 317161, 390352, 419471, 516272, 634322, 838942, 1000277, 1268644, 1677884, 2000554, 2537288, 3355768, 4001108, 5074576, 6711536, 8002216, 13003601, 16004432, 26007202, 52014404, 104028808, 208057616]

約数ペア:

[(1, 208057616), (2, 104028808), (4, 52014404), (8, 26007202), (13, 16004432), (16, 13003601), (26, 8002216), (31, 6711536), (41, 5074576), (52, 4001108), (62, 3355768), (82, 2537288), (104, 2000554), (124, 1677884), (164, 1268644), (208, 1000277), (248, 838942), (328, 634322), (403, 516272), (496, 419471), (533, 390352), (656, 317161), (787, 264368), (806, 258136), (1066, 195176), (1271, 163696), (1574, 132184), (1612, 129068), (2132, 97588), (2542, 81848), (3148, 66092), (3224, 64534), (4264, 48794), (5084, 40924), (6296, 33046), (6448, 32267), (8528, 24397), (10168, 20462), (10231, 20336), (12592, 16523)]