161788194

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 371779200

約数和(自身を除く): 209991006

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 199, 279, 282, 398, 423, 558, 597, 846, 961, 1194, 1457, 1791, 1922, 2883, 2914, 3582, 4371, 5766, 6169, 8649, 8742, 9353, 12338, 13113, 17298, 18507, 18706, 26226, 28059, 37014, 45167, 55521, 56118, 84177, 90334, 111042, 135501, 168354, 191239, 271002, 289943, 382478, 406503, 573717, 579886, 813006, 869829, 1147434, 1721151, 1739658, 2609487, 3442302, 5218974, 8988233, 17976466, 26964699, 53929398, 80894097, 161788194]

約数ペア:

[(1, 161788194), (2, 80894097), (3, 53929398), (6, 26964699), (9, 17976466), (18, 8988233), (31, 5218974), (47, 3442302), (62, 2609487), (93, 1739658), (94, 1721151), (141, 1147434), (186, 869829), (199, 813006), (279, 579886), (282, 573717), (398, 406503), (423, 382478), (558, 289943), (597, 271002), (846, 191239), (961, 168354), (1194, 135501), (1457, 111042), (1791, 90334), (1922, 84177), (2883, 56118), (2914, 55521), (3582, 45167), (4371, 37014), (5766, 28059), (6169, 26226), (8649, 18706), (8742, 18507), (9353, 17298), (12338, 13113)]