388961412

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{1381}}^1$

素因数の和:1881

約数の個数: 72

約数和(自身を含む): 1058722560

約数和(自身を除く): 669761148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 479, 588, 958, 1381, 1437, 1916, 2762, 2874, 3353, 4143, 5524, 5748, 6706, 8286, 9667, 10059, 13412, 16572, 19334, 20118, 23471, 29001, 38668, 40236, 46942, 58002, 67669, 70413, 93884, 116004, 135338, 140826, 203007, 270676, 281652, 406014, 661499, 812028, 1322998, 1984497, 2645996, 3968994, 4630493, 7937988, 9260986, 13891479, 18521972, 27782958, 32413451, 55565916, 64826902, 97240353, 129653804, 194480706, 388961412]

約数ペア:

[(1, 388961412), (2, 194480706), (3, 129653804), (4, 97240353), (6, 64826902), (7, 55565916), (12, 32413451), (14, 27782958), (21, 18521972), (28, 13891479), (42, 9260986), (49, 7937988), (84, 4630493), (98, 3968994), (147, 2645996), (196, 1984497), (294, 1322998), (479, 812028), (588, 661499), (958, 406014), (1381, 281652), (1437, 270676), (1916, 203007), (2762, 140826), (2874, 135338), (3353, 116004), (4143, 93884), (5524, 70413), (5748, 67669), (6706, 58002), (8286, 46942), (9667, 40236), (10059, 38668), (13412, 29001), (16572, 23471), (19334, 20118)]