81102164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 169174656

約数和(自身を除く): 88072492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 1997, 3124, 3692, 3994, 7988, 10153, 20306, 21967, 25961, 40612, 43934, 51922, 87868, 103844, 141787, 283574, 285571, 567148, 571142, 1142284, 1559657, 1843231, 3119314, 3686462, 6238628, 7372924, 20275541, 40551082, 81102164]

約数ペア:

[(1, 81102164), (2, 40551082), (4, 20275541), (11, 7372924), (13, 6238628), (22, 3686462), (26, 3119314), (44, 1843231), (52, 1559657), (71, 1142284), (142, 571142), (143, 567148), (284, 285571), (286, 283574), (572, 141787), (781, 103844), (923, 87868), (1562, 51922), (1846, 43934), (1997, 40612), (3124, 25961), (3692, 21967), (3994, 20306), (7988, 10153)]