28141104887

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{2141}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 35866333440

約数和(自身を除く): 7725228553

約数列:

[1, 7, 17, 31, 49, 119, 217, 509, 527, 833, 1519, 2141, 3563, 3689, 8653, 14987, 15779, 24941, 25823, 36397, 60571, 66371, 104909, 110453, 254779, 268243, 423997, 464597, 773171, 1089769, 1128307, 1783453, 1877701, 3252179, 7628383, 7898149, 13143907, 18526073, 33782839, 53398681, 55287043, 129682511, 236479873, 574308263, 907777577, 1655359111, 4020157841, 28141104887]

約数ペア:

[(1, 28141104887), (7, 4020157841), (17, 1655359111), (31, 907777577), (49, 574308263), (119, 236479873), (217, 129682511), (509, 55287043), (527, 53398681), (833, 33782839), (1519, 18526073), (2141, 13143907), (3563, 7898149), (3689, 7628383), (8653, 3252179), (14987, 1877701), (15779, 1783453), (24941, 1128307), (25823, 1089769), (36397, 773171), (60571, 464597), (66371, 423997), (104909, 268243), (110453, 254779)]