28827988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 61979904

約数和(自身を除く): 33151916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 853, 994, 1207, 1706, 1988, 2414, 3412, 4828, 5971, 8449, 11942, 14501, 16898, 23884, 29002, 33796, 58004, 60563, 101507, 121126, 203014, 242252, 406028, 423941, 847882, 1029571, 1695764, 2059142, 4118284, 7206997, 14413994, 28827988]

約数ペア:

[(1, 28827988), (2, 14413994), (4, 7206997), (7, 4118284), (14, 2059142), (17, 1695764), (28, 1029571), (34, 847882), (68, 423941), (71, 406028), (119, 242252), (142, 203014), (238, 121126), (284, 101507), (476, 60563), (497, 58004), (853, 33796), (994, 29002), (1207, 23884), (1706, 16898), (1988, 14501), (2414, 11942), (3412, 8449), (4828, 5971)]