28128724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 57294720

約数和(自身を除く): 29165996

約数列:

[1, 2, 4, 13, 23, 26, 29, 46, 52, 58, 92, 116, 299, 377, 598, 667, 754, 811, 1196, 1334, 1508, 1622, 2668, 3244, 8671, 10543, 17342, 18653, 21086, 23519, 34684, 37306, 42172, 47038, 74612, 94076, 242489, 305747, 484978, 540937, 611494, 969956, 1081874, 1222988, 2163748, 7032181, 14064362, 28128724]

約数ペア:

[(1, 28128724), (2, 14064362), (4, 7032181), (13, 2163748), (23, 1222988), (26, 1081874), (29, 969956), (46, 611494), (52, 540937), (58, 484978), (92, 305747), (116, 242489), (299, 94076), (377, 74612), (598, 47038), (667, 42172), (754, 37306), (811, 34684), (1196, 23519), (1334, 21086), (1508, 18653), (1622, 17342), (2668, 10543), (3244, 8671)]