157761968

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 400161888

約数和(自身を除く): 242399920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 112, 161, 182, 184, 196, 208, 299, 322, 364, 368, 392, 598, 637, 644, 673, 728, 784, 1127, 1196, 1274, 1288, 1346, 1456, 2093, 2254, 2392, 2548, 2576, 2692, 4186, 4508, 4711, 4784, 5096, 5384, 8372, 8749, 9016, 9422, 10192, 10768, 14651, 15479, 16744, 17498, 18032, 18844, 29302, 30958, 32977, 33488, 34996, 37688, 58604, 61243, 61916, 65954, 69992, 75376, 108353, 117208, 122486, 123832, 131908, 139984, 201227, 216706, 234416, 244972, 247664, 263816, 402454, 428701, 433412, 489944, 527632, 758471, 804908, 857402, 866824, 979888, 1408589, 1516942, 1609816, 1714804, 1733648, 2817178, 3033884, 3219632, 3429608, 5634356, 6067768, 6859216, 9860123, 11268712, 12135536, 19720246, 22537424, 39440492, 78880984, 157761968]

約数ペア:

[(1, 157761968), (2, 78880984), (4, 39440492), (7, 22537424), (8, 19720246), (13, 12135536), (14, 11268712), (16, 9860123), (23, 6859216), (26, 6067768), (28, 5634356), (46, 3429608), (49, 3219632), (52, 3033884), (56, 2817178), (91, 1733648), (92, 1714804), (98, 1609816), (104, 1516942), (112, 1408589), (161, 979888), (182, 866824), (184, 857402), (196, 804908), (208, 758471), (299, 527632), (322, 489944), (364, 433412), (368, 428701), (392, 402454), (598, 263816), (637, 247664), (644, 244972), (673, 234416), (728, 216706), (784, 201227), (1127, 139984), (1196, 131908), (1274, 123832), (1288, 122486), (1346, 117208), (1456, 108353), (2093, 75376), (2254, 69992), (2392, 65954), (2548, 61916), (2576, 61243), (2692, 58604), (4186, 37688), (4508, 34996), (4711, 33488), (4784, 32977), (5096, 30958), (5384, 29302), (8372, 18844), (8749, 18032), (9016, 17498), (9422, 16744), (10192, 15479), (10768, 14651)]