28920606

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 69866496

約数和(自身を除く): 40945890

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 814, 858, 911, 962, 1221, 1443, 1822, 2442, 2733, 2886, 5291, 5466, 10021, 10582, 11843, 15873, 20042, 23686, 30063, 31746, 33707, 35529, 60126, 67414, 71058, 101121, 130273, 202242, 260546, 370777, 390819, 438191, 741554, 781638, 876382, 1112331, 1314573, 2224662, 2629146, 4820101, 9640202, 14460303, 28920606]

約数ペア:

[(1, 28920606), (2, 14460303), (3, 9640202), (6, 4820101), (11, 2629146), (13, 2224662), (22, 1314573), (26, 1112331), (33, 876382), (37, 781638), (39, 741554), (66, 438191), (74, 390819), (78, 370777), (111, 260546), (143, 202242), (222, 130273), (286, 101121), (407, 71058), (429, 67414), (481, 60126), (814, 35529), (858, 33707), (911, 31746), (962, 30063), (1221, 23686), (1443, 20042), (1822, 15873), (2442, 11843), (2733, 10582), (2886, 10021), (5291, 5466)]