28125542018

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 49517568000

約数和(自身を除く): 21392025982

約数列:

[1, 2, 7, 14, 59, 118, 199, 397, 398, 413, 431, 794, 826, 862, 1393, 2779, 2786, 3017, 5558, 6034, 11741, 23423, 23482, 25429, 46846, 50858, 79003, 82187, 85769, 158006, 163961, 164374, 171107, 171538, 178003, 327922, 342214, 356006, 553021, 600383, 1106042, 1197749, 1200766, 2395498, 4661177, 5060371, 9322354, 10095313, 10120742, 20190626, 32628239, 34050293, 35422597, 65256478, 68100586, 70667191, 70845194, 141334382, 238352051, 476704102, 2008967287, 4017934574, 14062771009, 28125542018]

約数ペア:

[(1, 28125542018), (2, 14062771009), (7, 4017934574), (14, 2008967287), (59, 476704102), (118, 238352051), (199, 141334382), (397, 70845194), (398, 70667191), (413, 68100586), (431, 65256478), (794, 35422597), (826, 34050293), (862, 32628239), (1393, 20190626), (2779, 10120742), (2786, 10095313), (3017, 9322354), (5558, 5060371), (6034, 4661177), (11741, 2395498), (23423, 1200766), (23482, 1197749), (25429, 1106042), (46846, 600383), (50858, 553021), (79003, 356006), (82187, 342214), (85769, 327922), (158006, 178003), (163961, 171538), (164374, 171107)]