40393444

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 90091008

約数和(自身を除く): 49697564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 83, 91, 98, 166, 182, 191, 196, 332, 364, 382, 581, 637, 764, 1079, 1162, 1274, 1337, 2158, 2324, 2483, 2548, 2674, 4067, 4316, 4966, 5348, 7553, 8134, 9359, 9932, 15106, 15853, 16268, 17381, 18718, 30212, 31706, 34762, 37436, 52871, 63412, 69524, 105742, 110971, 121667, 206089, 211484, 221942, 243334, 412178, 443884, 486668, 776797, 824356, 1442623, 1553594, 2885246, 3107188, 5770492, 10098361, 20196722, 40393444]

約数ペア:

[(1, 40393444), (2, 20196722), (4, 10098361), (7, 5770492), (13, 3107188), (14, 2885246), (26, 1553594), (28, 1442623), (49, 824356), (52, 776797), (83, 486668), (91, 443884), (98, 412178), (166, 243334), (182, 221942), (191, 211484), (196, 206089), (332, 121667), (364, 110971), (382, 105742), (581, 69524), (637, 63412), (764, 52871), (1079, 37436), (1162, 34762), (1274, 31706), (1337, 30212), (2158, 18718), (2324, 17381), (2483, 16268), (2548, 15853), (2674, 15106), (4067, 9932), (4316, 9359), (4966, 8134), (5348, 7553)]