28201878

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 68567040

約数和(自身を除く): 40365162

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 93, 102, 153, 186, 279, 306, 459, 527, 558, 837, 918, 991, 1054, 1581, 1674, 1982, 2973, 3162, 4743, 5946, 8919, 9486, 14229, 16847, 17838, 26757, 28458, 30721, 33694, 50541, 53514, 61442, 92163, 101082, 151623, 184326, 276489, 303246, 454869, 522257, 552978, 829467, 909738, 1044514, 1566771, 1658934, 3133542, 4700313, 9400626, 14100939, 28201878]

約数ペア:

[(1, 28201878), (2, 14100939), (3, 9400626), (6, 4700313), (9, 3133542), (17, 1658934), (18, 1566771), (27, 1044514), (31, 909738), (34, 829467), (51, 552978), (54, 522257), (62, 454869), (93, 303246), (102, 276489), (153, 184326), (186, 151623), (279, 101082), (306, 92163), (459, 61442), (527, 53514), (558, 50541), (837, 33694), (918, 30721), (991, 28458), (1054, 26757), (1581, 17838), (1674, 16847), (1982, 14229), (2973, 9486), (3162, 8919), (4743, 5946)]