81913008

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 217618016

約数和(自身を除く): 135705008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 97, 146, 194, 219, 241, 291, 292, 388, 438, 482, 582, 584, 723, 776, 876, 964, 1164, 1168, 1446, 1552, 1752, 1928, 2328, 2892, 3504, 3856, 4656, 5784, 7081, 11568, 14162, 17593, 21243, 23377, 28324, 35186, 42486, 46754, 52779, 56648, 70131, 70372, 84972, 93508, 105558, 113296, 140262, 140744, 169944, 187016, 211116, 280524, 281488, 339888, 374032, 422232, 561048, 844464, 1122096, 1706521, 3413042, 5119563, 6826084, 10239126, 13652168, 20478252, 27304336, 40956504, 81913008]

約数ペア:

[(1, 81913008), (2, 40956504), (3, 27304336), (4, 20478252), (6, 13652168), (8, 10239126), (12, 6826084), (16, 5119563), (24, 3413042), (48, 1706521), (73, 1122096), (97, 844464), (146, 561048), (194, 422232), (219, 374032), (241, 339888), (291, 281488), (292, 280524), (388, 211116), (438, 187016), (482, 169944), (582, 140744), (584, 140262), (723, 113296), (776, 105558), (876, 93508), (964, 84972), (1164, 70372), (1168, 70131), (1446, 56648), (1552, 52779), (1752, 46754), (1928, 42486), (2328, 35186), (2892, 28324), (3504, 23377), (3856, 21243), (4656, 17593), (5784, 14162), (7081, 11568)]