215629452

素因数分解:

$2^2\times 3^7\times {\mathrm{157}}^2$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 569568720

約数和(自身を除く): 353939268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 243, 314, 324, 471, 486, 628, 729, 942, 972, 1413, 1458, 1884, 2187, 2826, 2916, 4239, 4374, 5652, 8478, 8748, 12717, 16956, 24649, 25434, 38151, 49298, 50868, 73947, 76302, 98596, 114453, 147894, 152604, 221841, 228906, 295788, 343359, 443682, 457812, 665523, 686718, 887364, 1331046, 1373436, 1996569, 2662092, 3993138, 5989707, 7986276, 11979414, 17969121, 23958828, 35938242, 53907363, 71876484, 107814726, 215629452]

約数ペア:

[(1, 215629452), (2, 107814726), (3, 71876484), (4, 53907363), (6, 35938242), (9, 23958828), (12, 17969121), (18, 11979414), (27, 7986276), (36, 5989707), (54, 3993138), (81, 2662092), (108, 1996569), (157, 1373436), (162, 1331046), (243, 887364), (314, 686718), (324, 665523), (471, 457812), (486, 443682), (628, 343359), (729, 295788), (942, 228906), (972, 221841), (1413, 152604), (1458, 147894), (1884, 114453), (2187, 98596), (2826, 76302), (2916, 73947), (4239, 50868), (4374, 49298), (5652, 38151), (8478, 25434), (8748, 24649), (12717, 16956)]