651170128

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9936

約数の個数: 80

約数和(自身を含む): 1566883840

約数和(自身を除く): 915713712

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4123, 4712, 8246, 9424, 9871, 16492, 19742, 32984, 39484, 65968, 69097, 78968, 138194, 157936, 187549, 276388, 306001, 375098, 552776, 612002, 750196, 1105552, 1224004, 1312843, 1500392, 2142007, 2448008, 2625686, 3000784, 4284014, 4896016, 5251372, 5814019, 8568028, 10502744, 11628038, 17136056, 21005488, 23256076, 34272112, 40698133, 46512152, 81396266, 93024304, 162792532, 325585064, 651170128]

約数ペア:

[(1, 651170128), (2, 325585064), (4, 162792532), (7, 93024304), (8, 81396266), (14, 46512152), (16, 40698133), (19, 34272112), (28, 23256076), (31, 21005488), (38, 17136056), (56, 11628038), (62, 10502744), (76, 8568028), (112, 5814019), (124, 5251372), (133, 4896016), (152, 4284014), (217, 3000784), (248, 2625686), (266, 2448008), (304, 2142007), (434, 1500392), (496, 1312843), (532, 1224004), (589, 1105552), (868, 750196), (1064, 612002), (1178, 552776), (1736, 375098), (2128, 306001), (2356, 276388), (3472, 187549), (4123, 157936), (4712, 138194), (8246, 78968), (9424, 69097), (9871, 65968), (16492, 39484), (19742, 32984)]