28921235

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 42550272

約数和(自身を除く): 13629037

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 971, 1295, 4255, 4855, 5957, 6797, 22333, 29785, 33985, 35927, 111665, 156331, 179635, 251489, 781655, 826321, 1257445, 4131605, 5784247, 28921235]

約数ペア:

[(1, 28921235), (5, 5784247), (7, 4131605), (23, 1257445), (35, 826321), (37, 781655), (115, 251489), (161, 179635), (185, 156331), (259, 111665), (805, 35927), (851, 33985), (971, 29785), (1295, 22333), (4255, 6797), (4855, 5957)]