28834295

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 16784905

約数列:

[1, 5, 7, 17, 23, 35, 43, 49, 85, 115, 119, 161, 215, 245, 301, 343, 391, 595, 731, 805, 833, 989, 1127, 1505, 1715, 1955, 2107, 2737, 3655, 4165, 4945, 5117, 5635, 5831, 6923, 7889, 10535, 13685, 14749, 16813, 19159, 25585, 29155, 34615, 35819, 39445, 48461, 73745, 84065, 95795, 117691, 134113, 179095, 242305, 250733, 339227, 588455, 670565, 823837, 1253665, 1696135, 4119185, 5766859, 28834295]

約数ペア:

[(1, 28834295), (5, 5766859), (7, 4119185), (17, 1696135), (23, 1253665), (35, 823837), (43, 670565), (49, 588455), (85, 339227), (115, 250733), (119, 242305), (161, 179095), (215, 134113), (245, 117691), (301, 95795), (343, 84065), (391, 73745), (595, 48461), (731, 39445), (805, 35819), (833, 34615), (989, 29155), (1127, 25585), (1505, 19159), (1715, 16813), (1955, 14749), (2107, 13685), (2737, 10535), (3655, 7889), (4165, 6923), (4945, 5831), (5117, 5635)]