261281826

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 635980800

約数和(自身を除く): 374698974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 181, 186, 199, 234, 279, 362, 398, 403, 543, 558, 597, 806, 1086, 1194, 1209, 1629, 1791, 2353, 2418, 2587, 3258, 3582, 3627, 4706, 5174, 5611, 6169, 7059, 7254, 7761, 11222, 12338, 14118, 15522, 16833, 18507, 21177, 23283, 33666, 36019, 37014, 42354, 46566, 50499, 55521, 72038, 72943, 80197, 100998, 108057, 111042, 145886, 160394, 216114, 218829, 240591, 324171, 437658, 468247, 481182, 648342, 656487, 721773, 936494, 1116589, 1312974, 1404741, 1443546, 2233178, 2809482, 3349767, 4214223, 6699534, 8428446, 10049301, 14515657, 20098602, 29031314, 43546971, 87093942, 130640913, 261281826]

約数ペア:

[(1, 261281826), (2, 130640913), (3, 87093942), (6, 43546971), (9, 29031314), (13, 20098602), (18, 14515657), (26, 10049301), (31, 8428446), (39, 6699534), (62, 4214223), (78, 3349767), (93, 2809482), (117, 2233178), (181, 1443546), (186, 1404741), (199, 1312974), (234, 1116589), (279, 936494), (362, 721773), (398, 656487), (403, 648342), (543, 481182), (558, 468247), (597, 437658), (806, 324171), (1086, 240591), (1194, 218829), (1209, 216114), (1629, 160394), (1791, 145886), (2353, 111042), (2418, 108057), (2587, 100998), (3258, 80197), (3582, 72943), (3627, 72038), (4706, 55521), (5174, 50499), (5611, 46566), (6169, 42354), (7059, 37014), (7254, 36019), (7761, 33666), (11222, 23283), (12338, 21177), (14118, 18507), (15522, 16833)]