28152068

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 61891200

約数和(自身を除く): 33739132

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 71, 98, 119, 142, 196, 238, 284, 289, 343, 476, 497, 578, 686, 833, 994, 1156, 1207, 1372, 1666, 1988, 2023, 2414, 3332, 3479, 4046, 4828, 5831, 6958, 8092, 8449, 11662, 13916, 14161, 16898, 20519, 23324, 24353, 28322, 33796, 41038, 48706, 56644, 59143, 82076, 97412, 99127, 118286, 143633, 198254, 236572, 287266, 396508, 414001, 574532, 828002, 1005431, 1656004, 2010862, 4021724, 7038017, 14076034, 28152068]

約数ペア:

[(1, 28152068), (2, 14076034), (4, 7038017), (7, 4021724), (14, 2010862), (17, 1656004), (28, 1005431), (34, 828002), (49, 574532), (68, 414001), (71, 396508), (98, 287266), (119, 236572), (142, 198254), (196, 143633), (238, 118286), (284, 99127), (289, 97412), (343, 82076), (476, 59143), (497, 56644), (578, 48706), (686, 41038), (833, 33796), (994, 28322), (1156, 24353), (1207, 23324), (1372, 20519), (1666, 16898), (1988, 14161), (2023, 13916), (2414, 11662), (3332, 8449), (3479, 8092), (4046, 6958), (4828, 5831)]