1638502014

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 3512678400

約数和(自身を除く): 1874176386

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 419, 659, 838, 989, 1257, 1318, 1977, 1978, 2514, 2967, 3954, 5934, 9637, 15157, 18017, 19274, 28337, 28911, 30314, 36034, 45471, 54051, 56674, 57822, 85011, 90942, 108102, 170022, 276121, 414391, 552242, 651751, 828363, 828782, 1243173, 1303502, 1656726, 1955253, 2486346, 3910506, 6350783, 11873203, 12701566, 19052349, 23746406, 35619609, 38104698, 71239218, 273083669, 546167338, 819251007, 1638502014]

約数ペア:

[(1, 1638502014), (2, 819251007), (3, 546167338), (6, 273083669), (23, 71239218), (43, 38104698), (46, 35619609), (69, 23746406), (86, 19052349), (129, 12701566), (138, 11873203), (258, 6350783), (419, 3910506), (659, 2486346), (838, 1955253), (989, 1656726), (1257, 1303502), (1318, 1243173), (1977, 828782), (1978, 828363), (2514, 651751), (2967, 552242), (3954, 414391), (5934, 276121), (9637, 170022), (15157, 108102), (18017, 90942), (19274, 85011), (28337, 57822), (28911, 56674), (30314, 54051), (36034, 45471)]