81707932928

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{41651}}^1$

素因数の和:41843

約数の個数: 72

約数和(自身を含む): 166867908480

約数和(自身を除く): 85159975552

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 97, 128, 158, 194, 256, 316, 388, 632, 776, 1264, 1552, 2528, 3104, 5056, 6208, 7663, 10112, 12416, 15326, 20224, 24832, 30652, 41651, 61304, 83302, 122608, 166604, 245216, 333208, 490432, 666416, 980864, 1332832, 1961728, 2665664, 3290429, 4040147, 5331328, 6580858, 8080294, 10662656, 13161716, 16160588, 26323432, 32321176, 52646864, 64642352, 105293728, 129284704, 210587456, 258569408, 319171613, 421174912, 517138816, 638343226, 842349824, 1034277632, 1276686452, 2553372904, 5106745808, 10213491616, 20426983232, 40853966464, 81707932928]

約数ペア:

[(1, 81707932928), (2, 40853966464), (4, 20426983232), (8, 10213491616), (16, 5106745808), (32, 2553372904), (64, 1276686452), (79, 1034277632), (97, 842349824), (128, 638343226), (158, 517138816), (194, 421174912), (256, 319171613), (316, 258569408), (388, 210587456), (632, 129284704), (776, 105293728), (1264, 64642352), (1552, 52646864), (2528, 32321176), (3104, 26323432), (5056, 16160588), (6208, 13161716), (7663, 10662656), (10112, 8080294), (12416, 6580858), (15326, 5331328), (20224, 4040147), (24832, 3290429), (30652, 2665664), (41651, 1961728), (61304, 1332832), (83302, 980864), (122608, 666416), (166604, 490432), (245216, 333208)]