81639232

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 167192960

約数和(自身を除く): 85553728

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 79, 134, 158, 241, 268, 316, 482, 536, 632, 964, 1072, 1264, 1928, 2144, 2528, 3856, 4288, 5056, 5293, 7712, 10586, 15424, 16147, 19039, 21172, 32294, 38078, 42344, 64588, 76156, 84688, 129176, 152312, 169376, 258352, 304624, 338752, 516704, 609248, 1033408, 1218496, 1275613, 2551226, 5102452, 10204904, 20409808, 40819616, 81639232]

約数ペア:

[(1, 81639232), (2, 40819616), (4, 20409808), (8, 10204904), (16, 5102452), (32, 2551226), (64, 1275613), (67, 1218496), (79, 1033408), (134, 609248), (158, 516704), (241, 338752), (268, 304624), (316, 258352), (482, 169376), (536, 152312), (632, 129176), (964, 84688), (1072, 76156), (1264, 64588), (1928, 42344), (2144, 38078), (2528, 32294), (3856, 21172), (4288, 19039), (5056, 16147), (5293, 15424), (7712, 10586)]