81319758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 182784000

約数和(自身を除く): 101464242

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 199, 338, 398, 403, 507, 597, 806, 1014, 1194, 1209, 2197, 2418, 2587, 4394, 5174, 5239, 6169, 6591, 7761, 10478, 12338, 13182, 15522, 15717, 18507, 31434, 33631, 37014, 67262, 68107, 80197, 100893, 136214, 160394, 201786, 204321, 240591, 408642, 437203, 481182, 874406, 1042561, 1311609, 2085122, 2623218, 3127683, 6255366, 13553293, 27106586, 40659879, 81319758]

約数ペア:

[(1, 81319758), (2, 40659879), (3, 27106586), (6, 13553293), (13, 6255366), (26, 3127683), (31, 2623218), (39, 2085122), (62, 1311609), (78, 1042561), (93, 874406), (169, 481182), (186, 437203), (199, 408642), (338, 240591), (398, 204321), (403, 201786), (507, 160394), (597, 136214), (806, 100893), (1014, 80197), (1194, 68107), (1209, 67262), (2197, 37014), (2418, 33631), (2587, 31434), (4394, 18507), (5174, 15717), (5239, 15522), (6169, 13182), (6591, 12338), (7761, 10478)]