181287652

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 400739640

約数和(自身を除く): 219451988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 421, 637, 676, 842, 1183, 1274, 1684, 2197, 2366, 2548, 2947, 4394, 4732, 5473, 5894, 8281, 8788, 10946, 11788, 15379, 16562, 20629, 21892, 30758, 33124, 38311, 41258, 61516, 71149, 76622, 82516, 107653, 142298, 153244, 215306, 268177, 284596, 430612, 498043, 536354, 924937, 996086, 1072708, 1849874, 1992172, 3486301, 3699748, 6474559, 6972602, 12949118, 13945204, 25898236, 45321913, 90643826, 181287652]

約数ペア:

[(1, 181287652), (2, 90643826), (4, 45321913), (7, 25898236), (13, 13945204), (14, 12949118), (26, 6972602), (28, 6474559), (49, 3699748), (52, 3486301), (91, 1992172), (98, 1849874), (169, 1072708), (182, 996086), (196, 924937), (338, 536354), (364, 498043), (421, 430612), (637, 284596), (676, 268177), (842, 215306), (1183, 153244), (1274, 142298), (1684, 107653), (2197, 82516), (2366, 76622), (2548, 71149), (2947, 61516), (4394, 41258), (4732, 38311), (5473, 33124), (5894, 30758), (8281, 21892), (8788, 20629), (10946, 16562), (11788, 15379)]