388432854

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 881038080

約数和(自身を除く): 492605226

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 211, 219, 422, 438, 467, 633, 657, 934, 1266, 1314, 1401, 1899, 1971, 2802, 3798, 3942, 4203, 5697, 8406, 11394, 12609, 15403, 25218, 30806, 34091, 46209, 68182, 92418, 98537, 102273, 138627, 197074, 204546, 277254, 295611, 306819, 415881, 591222, 613638, 831762, 886833, 920457, 1773666, 1840914, 2660499, 5320998, 7193201, 14386402, 21579603, 43159206, 64738809, 129477618, 194216427, 388432854]

約数ペア:

[(1, 388432854), (2, 194216427), (3, 129477618), (6, 64738809), (9, 43159206), (18, 21579603), (27, 14386402), (54, 7193201), (73, 5320998), (146, 2660499), (211, 1840914), (219, 1773666), (422, 920457), (438, 886833), (467, 831762), (633, 613638), (657, 591222), (934, 415881), (1266, 306819), (1314, 295611), (1401, 277254), (1899, 204546), (1971, 197074), (2802, 138627), (3798, 102273), (3942, 98537), (4203, 92418), (5697, 68182), (8406, 46209), (11394, 34091), (12609, 30806), (15403, 25218)]