256363198

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:738

約数の個数: 72

約数和(自身を含む): 506195568

約数和(自身を除く): 249832370

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 169, 182, 299, 322, 338, 598, 637, 673, 1127, 1183, 1274, 1346, 2093, 2254, 2366, 3887, 4186, 4711, 7774, 8281, 8749, 9422, 14651, 15479, 16562, 17498, 27209, 29302, 30958, 32977, 54418, 61243, 65954, 108353, 113737, 122486, 190463, 201227, 216706, 227474, 380926, 402454, 428701, 758471, 796159, 857402, 1408589, 1516942, 1592318, 2615951, 2817178, 5231902, 5573113, 9860123, 11146226, 18311657, 19720246, 36623314, 128181599, 256363198]

約数ペア:

[(1, 256363198), (2, 128181599), (7, 36623314), (13, 19720246), (14, 18311657), (23, 11146226), (26, 9860123), (46, 5573113), (49, 5231902), (91, 2817178), (98, 2615951), (161, 1592318), (169, 1516942), (182, 1408589), (299, 857402), (322, 796159), (338, 758471), (598, 428701), (637, 402454), (673, 380926), (1127, 227474), (1183, 216706), (1274, 201227), (1346, 190463), (2093, 122486), (2254, 113737), (2366, 108353), (3887, 65954), (4186, 61243), (4711, 54418), (7774, 32977), (8281, 30958), (8749, 29302), (9422, 27209), (14651, 17498), (15479, 16562)]