1388970018

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{40253}}^1$

素因数の和:40341

約数の個数: 48

約数和(自身を含む): 3164930496

約数和(自身を除く): 1775960478

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 639, 1278, 1917, 3834, 5751, 11502, 17253, 34506, 40253, 80506, 120759, 241518, 362277, 724554, 1086831, 2173662, 2857963, 3260493, 5715926, 6520986, 8573889, 9781479, 17147778, 19562958, 25721667, 51443334, 77165001, 154330002, 231495003, 462990006, 694485009, 1388970018]

約数ペア:

[(1, 1388970018), (2, 694485009), (3, 462990006), (6, 231495003), (9, 154330002), (18, 77165001), (27, 51443334), (54, 25721667), (71, 19562958), (81, 17147778), (142, 9781479), (162, 8573889), (213, 6520986), (243, 5715926), (426, 3260493), (486, 2857963), (639, 2173662), (1278, 1086831), (1917, 724554), (3834, 362277), (5751, 241518), (11502, 120759), (17253, 80506), (34506, 40253)]