621550188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34739}}^1$

素因数の和:34827

約数の個数: 72

約数和(自身を含む): 1820931840

約数和(自身を除く): 1199381652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 17892, 34739, 69478, 104217, 138956, 208434, 243173, 312651, 416868, 486346, 625302, 729519, 972692, 1250604, 1459038, 2188557, 2466469, 2918076, 4377114, 4932938, 7399407, 8754228, 9865876, 14798814, 17265283, 22198221, 29597628, 34530566, 44396442, 51795849, 69061132, 88792884, 103591698, 155387547, 207183396, 310775094, 621550188]

約数ペア:

[(1, 621550188), (2, 310775094), (3, 207183396), (4, 155387547), (6, 103591698), (7, 88792884), (9, 69061132), (12, 51795849), (14, 44396442), (18, 34530566), (21, 29597628), (28, 22198221), (36, 17265283), (42, 14798814), (63, 9865876), (71, 8754228), (84, 7399407), (126, 4932938), (142, 4377114), (213, 2918076), (252, 2466469), (284, 2188557), (426, 1459038), (497, 1250604), (639, 972692), (852, 729519), (994, 625302), (1278, 486346), (1491, 416868), (1988, 312651), (2556, 243173), (2982, 208434), (4473, 138956), (5964, 104217), (8946, 69478), (17892, 34739)]